Purity of organic semiconductors substantially increase the performance of organic transistors

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In their recent paper in Materials Chemistry Frontiers, published by the Royal Society of Chemistry, the authors Cigdem Yumusak, Niyazi Serdar Sariciftci, Mihai Irimia-Vladu, from the Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry at the Johannes Kepler University Linz, Austria investigated the effects of purification of different organic semiconductors (i.e. n-type, p-type, and ambipolar) in performance of organic field effect transistors (OFETs). The results clearly indicate that performance for the field of organic field effect transistors can be enhanced orders of magnitude by the purification.

Fig. 1: Schematic view of the OFET architecture

Organic semiconductors are interesting through their versatility in high throughput at low cost of production. For achieving the coveted goal of “green” and sustainable electronics development, one can tailor and make these materials biocompatible and biodegradable. The large-scale electronic waste produced in the world is creating trouble in the supply chain of rare earth materials as well as plastic waste contamination in oceans, due to packaging materials in general. Both these unfortunate events can be faced successfully if we introduce the biodegradable organic semiconductors, substrates and plastics.

Back in 2011 there were already crystalline OFETs with the mobility values exceeding those of amorphous silicon. Nevertheless, reaching values of field effect mobility in excess of 10 cm2/Vs remains a tremendous challenge for organic semiconductors and rather difficult to materialize at the same time. More often than not, organic electronic devices are fabricated with the “as received” materials carrying the declared purity by the chemical supplier. Nevertheless, when the effort of purification was invested, then the results improved impressively, with the recorded mobility of the organic semiconductor reaching record values in excess of 5 cm2/Vs for single crystal based OFETs with rubrene. Importantly also, time of flight measurements at low temperature of ultra-pure oligomeric systems of organic semiconductors showed that mobilities of 10 cm2/Vs at room temperature and of several hundred cm2/Vs at low temperatures are possible to achieve.

In this work, authors tackle the issue of materials’ purity and its influence on organic electronic devices systematically. They compared the effect of different materials as well as different purification degrees respectively, on the performance of fabricated devices. This is to demonstrate systematically the influence of this “purification versus performance” relationship. For this study a large pool of organic semiconductor materials, with n-, p-, and ambipolar-type of charge transport were investigated. The selected semiconductors for this study were: fullerene (C60), pentacene, copper phthalocyanine, indigo (vat blue 1), Tyrian purple, epindolidione, quinacridone and indanthrene blue RS (vat blue 4), the latter 5 molecules belonging to the group of hydrogen bonded (bio)-organic semiconductors.

Fig. 2: Molecular structure of the organic semiconductors used in this study: (from upper left to lower right) Fulleren C60, pentacene, copperphtalocyanine, indanthrene Blue RS, quinacridone, epindolidione, Tyrian purple (dibromoindigo) and indigo.

The method of purification of the organic semiconductors investigated in this study was the train sublimation method shown in Fig.3.

Fig. 3: Photograph of the train sublimation oven showing the sublimed material in the vacuum tube

As an example of the effect of purification take a look at the increase of field effect mobility by several order of magnitude by different purification steps using epindolidione.

Fig. 4: a) Comparison of OFET devices with three different purity grades of epindolidione semiconductor: unpurified (0X in graph legend), one time purified (1X in graph legend) and three times purified respectively (3X in graph legend); b) the Sqrt(Ids) vs. Vgs of the three purity grades presented in panel a)

Indeed, starting from very low field effect mobility of the “as received” material of 4.4×10-6 cm2/Vs, epindolidione based OFETs almost reached the mobility of 0.1 cm2/Vs after being subjected to three steps of purification. This tremendous mobility improvement was accompanied by a decrease of the subthreshold swing from 11.3 V/dec. to 1.9 V/dec. and an increase of the ON/OFF ratio from 3.5 to 3.5×104, literally a 10000-fold improvement.



Çiğdem Yumuşak is postdoctoral researcher at the Linz Institute for Organic Solar Cells (LIOS) and Physical Chemistry at the Johannes Kepler University of Linz, Austria. She completed her BSc., MSc., and PhD degrees in Physics at the Yildiz Technical University, Istanbul, Turkey. Her scientific interests focus on semiconductor physics, bio-origin materials and their implementation into organic electronic devices, and bioelectronics.


Niyazi Serdar Sariciftci is Ordinarius Professor for Physical Chemistry and the Founding Director of the Linz Institute for Organic Solarcells (LIOS) at the Johannes Kepler University of Linz/Austria. He graduated as PhD in physics in Vienna. After postdoctoral study at the University of Stuttgart he joined the Institute for Polymers and Organic Solids at the University of California, Santa Barbara, USA.  Since 1996 he moved to Linz. He is the inventor of conjugated polymer and fullerene based “bulk heterojunction” solar cells. Prof. Sariciftci published over 600 publications and with over 75000 citations he is one of the most cited scientists in material science (2011, Thompson Reuter ranking No: 14 of the world in material science).  He is a corresponding member of the Academy of Science in Austria (ÖAW) and a member of the Turkish Academy of Sciences in.


Dr. Mihai Irimia-Vladu obtained his PhD from the Materials Engineering Department of Auburn University, Alabama, USA in August 2006, under the guidance of Prof. Jeffrey Fergus. He moved to Johannes Kepler University in Linz, Austria as a post-doctoral researcher in the groups of the late Prof. Siegfried Bauer (Soft Matter Physics) and Prof. Niyazi Serdar Sariciftci (Physical Chemistry) where he initiated research activity on biocompatible and biodegradable materials for electronics.  After an employment at the Department of Surface Technologies and Photonics of Joanneum Research mbH in Weiz, Austria, Dr. Mihai Irimia-Vladu is back at Johannes Kepler University Linz as Assistant Professor in the Department of Physical Chemistry, where he continues his research investigations of environmentally friendly materials for bioelectronics and energy harvesting devices development.

Article information:

Purity of Organic Semiconductors as a Key Factor for the Performance of Organic Electronic Devices
Cigdem Yumusak, Niyazi Serdar Sariciftci and Mihai Irimia-Vladu
Mater. Chem. Front., 2020, Accepted Manuscript

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Life science nanoarchitectonics at interfaces

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Nanotechnology is an indispensable item in advanced bio-related and life sciences, but a novel concept is necessary to bridge gaps between nanotechnology and biology/materials chemistry. The most suitable concept for this task would be nanoarchitectonics. In this short review article, our recent accomplishments of nanoarchitectonics approaches on cell functions including gene delivery and controlled differentiation are summarized. Regulations of cell activities by nanoarchitected materials are carried out through their interfacial contacts. Our accomplishments are here described according to types of material structural motif, (i) nanotopography, (ii) self-assembled structures, and (iii) composite materials. Finally, several challenging approaches are introduced as frontiers of cell fate regulation at the interfacial media. Developments of artificial materials and systems to regulate bio-organizations including living cells will give intuitions and ideas even to the design of general functional systems. Interfacial nanoarchitectonics could be an important key concept for future advanced life technologies as well as currently required biomedical applications.


Figure 1. Outline of nanoarchitectonics and application to life science at interfaces.


Interfacial structures with various topological and mechanical features affect significantly cell behaviours including cell fates. At insides of living cells, sophisticated mechanisms are working upon relays of functional elements, and these mechanisms can be triggered by the input of external stimuli at the surfaces of cells. Control of surface contact can lead to the regulation of complicated cell functions. Interfacial nanoarchitectonics would be an important key concept for cell regulations for biomedical applications and life sciences.


Article Information

Life science nanoarchitectonics at interfaces
Katsuhiko Ariga, Kun-Che Tsai, Lok Kumar Shrestha and Shan-hui Hsu
Mater. Chem. Front., 2020, Accepted Manuscript


Authors Information

Katsuhiko Ariga

National Institute for Materials Science & University of Tokyo

Katsuhiko Ariga received his Ph.D. from Tokyo Institute of Technology in 1990. He is currently the Leader of the Supermolecules Group and Principal Investigator at the World Premier International Research Centre for Materials Nanoarchitectonics, NIMS. He has also been appointed as Professor at the University of Tokyo. He is the author of more than 700 articles indexed by SCI and cited more than 40000 times with an index H = 106 (Sept., 2020)



Shan-hui Hsu

National Taiwan University

Shan-hui Hsu received her Ph.D. degree from Case Western Reserve University (USA) in 1992. She is now the Director for the Doctoral Program of Green Sustainable Materials and Precision Devices and Distinguished Professor at the Institute of Polymer Science and Engineering, National Taiwan University.

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Manganese as a Superior Dopant for Oxide Nanosheets in Water Oxidation

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The efficiency of water splitting is severely limited by the oxygen evolution reaction (OER), due to sluggish kinetics and a substantial overpotential. To overcome this challenge, precious-metal based catalysts, such as IrO2 and RuO2, have been investigated and confirmed to exhibit good OER performance. However, the scarcity and high cost of these materials restrict their large-scale application.


Recently, the group of Derek Ho and collaborators of the City University of Hong Kong have demonstrated a one-step method for the synthesis of Mn doped ultrathin nickel-iron oxide (Mn-Ni-Fe-O) nanosheets, which simultaneously achieves an abundance of oxygen vacancies and high valance Ni3+ catalytic sites (Fig. 1). The Mn dopant exists in the form of mixed-valence Mn cations, which contributes to tailoring the electronic structure of the Ni and Fe sites, leading to outstanding OER catalytic performance.

Figure 1. Schematic of the preparation procedure of Mn-Ni-Fe-O nanosheets.



SEM and TEM images of the Mn-Ni-Fe-O hybrid shows 100 – 300 nm interconnected nanosheet structures, having an ultrathin and veil-like morphology (Fig. 2). AFM images show a nanosheet thickness of approximately 3.2 nm. EDX mapping presents that Ni, Fe, Mn, and O elements are uniformly dispersed throughout the nanosheets.


Figure 2. (a) SEM image, (b, c) TEM images and the inset in (c) is the corresponding SAED patterns, (d) HRTEM image, (e) AFM image and the corresponding thickness curve, (f) STEM image and the corresponding element mapping, and (g) EDX spectrum of the Mn-Ni-Fe-O nanosheets.



XRD, XPS, CV, and EPR are also performed (Fig. 3). From XPS, after Mn doping, the Fe 2p3/2 XPS peak of the Mn-Ni-Fe-O nanosheets shifts to a higher binding energy as compared to that of undoped Ni-Fe-O nanosheets, suggesting that Mn dopant can modulate the charge density of Fe atom sites. Compared to the Ni 2p XPS spectrum of pristine Ni-Fe-O, the Ni 2p XPS spectrum of Mn-Ni-Fe-O nanosheets exhibits an obvious positive shift of 0.3 eV in binding energy, which is attributed to Mn incorporation. From CV curves, the Ni2+ oxidation peaks appear at 1.40 and 1.36 V versus RHE for the undoped and doped samples, respectively, indicating the oxidation of Ni species is enhanced upon Mn doping. Also, the O2 ratio (51.0 %) for the Mn-Ni-Fe-O nanosheets is higher than that of the Ni-Fe-O nanosheets (41.9 %), which indicates that Mn dopants can create an enhanced oxygen vacancies concentration.

Figure 3. Characterization data of the Mn-Ni-Fe-O and Ni-Fe-O: (a) XRD patterns, (b) XPS survey spectra, (c) high-resolution XPS spectra for Mn 2p region for Mn-Ni-Fe-O, (d) XPS for the Fe 2p region, (e) XPS for the Ni 2p region, CV curves (scan rate of 50 mV s-1) of (f) Ni-Fe-O  and (g) Mn-Ni-Fe-O, (h) XPS for the O 1s region, and (i) electron paramagnetic resonance (EPR) spectra of Mn-Ni-Fe-O (2 wt%).



OER electrochemical performance has been investigated in an O2-saturated KOH (1 M) solution. Upon doping of Mn, polarization curves show an OER overpotential of only 225 mV (vs. undoped at 250 mV) (Fig. 4). Remarkably, these two as-prepared ultrathin nanosheets, with or without Mn doping, exhibit faster OER than the commercial RuO2. The Mn doped nanosheets exhibit a turnover frequency (TOF) of 0.063 s−1 at the overpotential of 300 mV, which is 3.5 and 12 times higher than that of the undoped sample and commercial RuO2, respectively. The Tafel slope is 38.2 mV dec-1 (vs. 65.8 mV dec-1 undoped and 72.0 mV dec-1 from RuO2). Electrochemical impedance spectroscopy (EIS) reveals that the Mn dopants can effectively improve the electrical conductivity.

Figure 4. (a) Polarization curves, (b) TOF, and (c) Tafel slope of Mn-Ni-Fe-O, Ni-Fe-O, and RuO2. (d) Nyquist slopes of Ni-Fe-O and Mn-Ni-Fe-O, (e) overpotential at 10 mA cm-2 and Tafel slope of Ni-Fe-O nanosheets with different Mn doping levels, and (f) chronopotentiometry curves of Mn-Ni-Fe-O nanosheets at 30 mA cm-2.



This work demonstrated a facile method in synthesizing ultrathin Mn-Ni-Fe-O nanosheets that achieve highly efficient OER catalytic performance, providing a sound strategy for the design and synthesis of multi-metallic, atomically-thin oxides nanosheets to mitigate the catalytic limitation of OER, thereby rendering the electrolysis of water a practical form of alternative fuel production.


Information on Corresponding Author


Derek Ho

City University of Hong Kong

Derek Ho is currently an associate professor at the Department of Materials Science and Engineering at City University of Hong Kong. He directs the Atoms to Systems Laboratory. He received his B.A.Sc. (first class) and M.A.Sc. in Electrical and Computer Engineering from the University of British Columbia (UBC), Vancouver, Canada, in 2005 and 2007 respectively. At UBC, he focused his study on microelectronics. He received his Ph.D. in Electrical and Computer Engineering from the University of Toronto, Toronto, Canada in 2013, where he worked on sensors incorporating nanomaterials and CMOS electronics for chemical detection and DNA biosensing applications. Professor Ho’s research interest is in the synthesis of electronic nanomaterials and fabrication of advanced devices. His current research focuses on sensing and energy applications, mainly in the form of stretchable and healable electronics. www.atomstosystems.com


Article information:

Mn dopant induced high-valence Ni3+ sites and oxygen vacancies for enhanced water oxidation

Yu Zhang, Zhiyuan Zeng and Derek Ho

Mater. Chem. Front., 2020, Advance Article


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Lithium-based Batteries – A collection of articles from Materials Chemistry Frontiers

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We are delighted to share with you a collection of articles from Materials Chemistry Frontiers to showcase the exciting and recent developments in the field of Lithium-Based Batteries, including lithium-ion batteries, lithium-sulphur batteries and lithium-air batteries. This collection is free to access till July 19th 2020 .


A new generation of energy storage electrode materials constructed from carbon dots
Ji-Shi Wei, Tian-Bing Song, Peng Zhang, Xiao-Qing Niu, Xiao-Bo Chen and Huan-Ming Xiong
Mater. Chem. Front., 2020,4, 729-749

Three-dimensional porous carbon materials and their composites as electrodes for electrochemical energy storage systems
Xiaoyang Deng, Jiajun Li, Liying Ma, Junwei Sha and Naiqin Zhao
Mater. Chem. Front., 2019,3, 2221-2245

Antimony-based materials as promising anodes for rechargeable lithium-ion and sodium-ion batteries
Jun He, Yaqing Wei, Tianyou Zhai and Huiqiao Li
Mater. Chem. Front., 2018,2, 437-455

Recent progress in Zn-based anodes for advanced lithium ion batteries
Lei Wang, Guanhua Zhang, Quanhui Liu and Huigao Duan
Mater. Chem. Front., 2018,2, 1414-1435

Multifunctional second barrier layers for lithium–sulfur batteries
Wei Fan, Longsheng Zhang and Tianxi Liu
Mater. Chem. Front., 2018,2, 235-252

Research articles

Multifunctional ultrasmall-MoS2/graphene composites for high sulfur loading Li–S batteries
Tianyu Tang, Teng Zhang, Lina Zhao, Biao Zhang, Wei Li, Junjie Xu, Long Zhang, Hailong Qiu and Yanglong Hou
Mater. Chem. Front., 2020,4, 1483-1491

Cationic covalent organic framework based all-solid-state electrolytes
Zhen Li, Zhi-Wei Liu, Zhen-Jie Mu, Chen Cao, Zeyu Li, Tian-Xiong Wang, Yu Li, Xuesong Ding, Bao-Hang Han and Wei Feng
Mater. Chem. Front., 2020,4, 1164-1173

The journey of lithium ions in the lattice of PNb9O25
Haoxiang Yu, Jundong Zhang, Runtian Zheng, Tingting Liu, Na Peng, Yu Yuan, Yufei Liu, Jie Shu and Zhen-Bo Wang
Mater. Chem. Front., 2020,4, 631-637

The suppression of lithium dendrites by a triazine-based porous organic polymer-laden PEO-based electrolyte and its application for all-solid-state lithium batteries
N. Angulakshmi, R. Baby Dhanalakshmi, Murugavel Kathiresan, Yingke Zhou and A. Manuel Stephan
Mater. Chem. Front., 2020,4, 933-940

A novel ordered hollow spherical nickel silicate–nickel hydroxide composite with two types of morphologies for enhanced electrochemical storage performance
Qiushi Wang, Yifu Zhang, Jinqiu Xiao, Hanmei Jiang, Xiaojuan Li and Changgong Meng
Mater. Chem. Front., 2019,3, 2090-2101

Ultrafine MoO3 nanoparticles embedded in porous carbon nanofibers as anodes for high-performance lithium-ion batteries
Xiu Liu, Yuan Liu, Xiaodong Yan, Jin-Le Lan, Yunhua Yu and Xiaoping Yang
Mater. Chem. Front., 2019,3, 120-126

3D hollow reduced graphene oxide foam as a stable host for high-capacity lithium metal anodes
Pengcheng Yao, Qiyuan Chen, Yu Mu, Jie Liang, Xiuqiang Li, Xin Liu, Yang Wang, Bin Zhu and Jia Zhu
Mater. Chem. Front., 2019,3, 339-343

V2(PO4)O/C@CNT hollow spheres with a core–shell structure as a high performance anode material for lithium-ion batteries
Bin Xiao, Wen-hai Zhang, Hai-feng Xia, Zhi-teng Wang, Lin-bo Tang, Chang-sheng An, Zhen-jiang He, Hui Tong and Jun-chao Zheng
Mater. Chem. Front., 2019,3, 456-463

Graphene-based Fe-coordinated framework porphyrin as an interlayer for lithium–sulfur batteries
Jin-Lei Qin, Bo-Quan Li, Jia-Qi Huang, Long Kong, Xiang Chen, Hong-Jie Peng, Jin Xie, Ruiping Liu and Qiang Zhang
Mater. Chem. Front., 2019,3, 615-619

A 2D/2D graphitic carbon nitride/N-doped graphene hybrid as an effective polysulfide mediator in lithium–sulfur batteries
Junsheng Ma, Mingpeng Yu, Huanyu Ye, Hongquan Song, Dongxue Wang, Yanting Zhao, Wei Gong and Hong Qiu
Mater. Chem. Front., 2019,3, 1807-1815

A sandwich-type sulfur cathode based on multifunctional ceria hollow spheres for high-performance lithium–sulfur batteries
Jianwei Wang, Bo Zhou, Hongyang Zhao, Miaomiao Wu, Yaodong Yang, Xiaolei Sun, Donghai Wang and Yaping Du
Mater. Chem. Front., 2019,3, 1317-1322

Synthesis and thermodynamic investigation of MnO nanoparticle anchored N-doped porous carbon as the anode for Li-ion and Na-ion batteries
Ya-Nan Sun, Liangtao Yang, Zhu-Yin Sui, Li Zhao, Mustafa Goktas, Hang-Yu Zhou, Pei-Wen Xiao, Philipp Adelhelm and Bao-Hang Han
Mater. Chem. Front., 2019,3, 2728-2737

An insight into the pyrolysis process of metal–organic framework templates/precursors to construct metal oxide anode materials for lithium-ion batteries
Ang Li, Binbin Qian, Ming Zhong, Yingying Liu, Ze Chang and Xian-He Bu
Mater. Chem. Front., 2019,3, 1398-1405

Li4Ti5O12 quantum dot decorated carbon frameworks from carbon dots for fast lithium ion storage
Lin Li, Xinnan Jia, Yu Zhang, Tianyun Qiu, Wanwan Hong, Yunling Jiang, Guoqiang Zou, Hongshuai Hou, Xianchun Chen and Xiaobo Ji
Mater. Chem. Front., 2019,3, 1761-1767

A general low-temperature synthesis route to polyanionic vanadium phosphate fluoride cathode materials: AVPO4F (A = Li, Na, K) and Na3V2(PO4)2F3
Nicolas Goubard-Bretesché, Erhard Kemnitz and Nicola Pinna
Mater. Chem. Front., 2019,3, 2164-2174

Revisiting and improving the preparation of silicon-based electrodes for lithium-ion batteries: ball milling impact on poly(acrylic acid) polymer binders
Thibaut Chartrel, Mariama Ndour, Véronique Bonnet, Sébastien Cavalaglio, Luc Aymard, Franck Dolhem, Laure Monconduit and Jean-Pierre Bonnet
Mater. Chem. Front., 2019,3, 881-891

Arranged redistribution of sulfur species and synergistic mediation of polysulfide conversion in lithium–sulfur batteries by a cactus structure MnO2/carbon nanofiber interlayer
Zhihao Yu, Tianji Gao, TrungHieu Le, Jie Cheng and Ying Yang
Mater. Chem. Front., 2019,3, 948-954

Silicon nanoparticle-sandwiched ultrathin MoS2–graphene layers as an anode material for Li-ion batteries
Ujjwala V. Kawade, Anuradha A. Ambalkar, Rajendra P. Panmand, Ramchandra S. Kalubarme, Sunil R. Kadam, Sonali D. Naik, Milind V. Kulkarni and Bharat B. Kale
Mater. Chem. Front., 2019,3, 587-596

The formation of yolk–shell structured NiO nanospheres with enhanced lithium storage capacity
Jian Wang, Panpan Su, Jing Zhang, Fangfang Wang, Yali Chen, Hao Liu and Jian Liu
Mater. Chem. Front., 2019,3, 1619-1625

Electric field effect in a Co3O4/TiO2 p–n junction for superior lithium-ion storage
Huabin Kong, Chunshuang Yan, Chade Lv, Jian Pei and Gang Chen
Mater. Chem. Front., 2019,3, 909-915

A novel lithium-ion hybrid capacitor based on an aerogel-like MXene wrapped Fe2O3 nanosphere anode and a 3D nitrogen sulphur dual-doped porous carbon cathode
Xiao Tang, Hao Liu, Xin Guo, Shijian Wang, Wenjian Wu, Anjon Kumar Mondal, Chengyin Wang and Guoxiu Wang
Mater. Chem. Front., 2018,2, 1811-1821

In situ synthesis of Cu2O–CuO–C supported on copper foam as a superior binder-free anode for long-cycle lithium-ion batteries
Xiaoming Lin, Jia Lin, Jiliang Niu, Jinji Lan, R. Chenna Krishna Reddy, Yuepeng Cai, Jincheng Liu and Gang Zhang
Mater. Chem. Front., 2018,2, 2254-2262

Fe/Fe3C@graphitic carbon shell embedded in carbon nanotubes derived from Prussian blue as cathodes for Li–O2 batteries
Yanqing Lai, Yifeng Jiao, Junxiao Song, Kai Zhang, Jie Li and Zhian Zhang
Mater. Chem. Front., 2018,2, 376-384

A novel hierarchical precursor of densely integrated hydroxide nanoflakes on oxide microspheres toward high-performance layered Ni-rich cathode for lithium ion batteries
Yan Li, Xinhai Li, Zhixing Wang, Huajun Guo, Tao Li, Kui Meng and Jiexi Wang
Mater. Chem. Front., 2018,2, 1822-1828

In situ TEM study of lithiation into a PPy coated α-MnO2/graphene foam freestanding electrode
Mohammad Akbari Garakani, Sara Abouali, Jiang Cui and Jang-Kyo Kim
Mater. Chem. Front., 2018,2, 1481-1488

Directionally assembled MoS2 with significantly expanded interlayer spacing: a superior anode material for high-rate lithium-ion batteries
Qilin Wei, Min-Rui Gao, Yan Li, Dongtang Zhang, Siyu Wu, Zonghai Chen and Yugang Sun
Mater. Chem. Front., 2018,2, 1441-1448

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Recent research on perovskites for optoelectronics – A collection of articles from Frontiers Journals

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We are delighted to share with you a collection of articles from Materials Chemistry Frontiers and Inorganic Chemistry Frontiers to showcase the exciting and recent developments in the field of perovskites for optoelectronic applications, such as perovskite solar cells and photodetectors. This collection is free to access till the 06-July.


All-inorganic lead-free perovskites for optoelectronic applications
Xingtao Wang, Taiyang Zhang, Yongbing Lou and Yixin Zhao
Mater. Chem. Front., 2019,3, 365-375


Arranging strategies for A-site cations: impact on the stability and carrier migration of hybrid perovskite materials
Wei Jian, Ran Jia, Hong-Xing Zhang and Fu-Quan Bai
Inorg. Chem. Front., 2020,7, 1741-1749


Trap passivation and efficiency improvement of perovskite solar cells by a guanidinium additive
Jiaxu Yao, Hui Wang, Pang Wang, Robert S. Gurney, Akarin Intaniwet, Pipat Ruankham, Supab Choopun, Dan Liu and Tao Wang
Mater. Chem. Front., 2019,3, 1357-1364


Highly oriented two-dimensional formamidinium lead iodide perovskites with a small bandgap of 1.51 eV
Jielin Yan, Weifei Fu, Xinqian Zhang, Jiehuan Chen, Weitao Yang, Weiming Qiu, Gang Wu, Feng Liu, Paul Heremans and Hongzheng Chen
Mater. Chem. Front., 2018,2, 121-128


Facile fabrication of perovskite layers with large grains through a solvent exchange approach
Ying-Ke Ren, Xiao-Qiang Shi, Xi-Hong Ding, Jun Zhu, Tasawar Hayat, Ahmed Alsaedi, Zhao-Qian Li, Xiao-Xiao Xu, Shang-Feng Yang and Song-Yuan Dai
Inorg. Chem. Front., 2018,5, 348-353


Organic hole-transporting materials for 9.32%-efficiency and stable CsPbBr3 perovskite solar cells
Yuanyuan Zhao, Tianshu Liu, Fumeng Ren, Jialong Duan, Yudi Wang, Xiya Yang, Qinghua Li and Qunwei Tang
Mater. Chem. Front., 2018,2, 2239-2244


Cs1−xRbxSnI3 light harvesting semiconductors for perovskite photovoltaics
Kenneth P. Marshall, Shuxia Tao, Marc Walker, Daniel S. Cook, James Lloyd-Hughes, Silvia Varagnolo, Anjana Wijesekara, David Walker, Richard I. Walton and Ross A. Hatton
Mater. Chem. Front., 2018,2, 1515-1522


Improving the moisture stability of perovskite solar cells by using PMMA/P3HT based hole-transport layers
Soumya Kundu and Timothy L. Kelly
Mater. Chem. Front., 2018,2, 81-89


CsAg2Sb2I9 solar cells
Zhimin Fang, Shizhe Wang, Shangfeng Yang and Liming Ding
Inorg. Chem. Front., 2018,5, 1690-1693


A broad-spectral-response perovskite photodetector with a high on/off ratio and high detectivity
Xiaohui Yi, Yisen Wang, Ningli Chen, Zhiwei Huang, Zhenwei Ren, Hui Li, Tao Lin, Cheng Li and Jizheng Wang
Mater. Chem. Front., 2018,2, 1847-1852


The effect of SrI2 substitution on perovskite film formation and its photovoltaic properties via two different deposition methods
Huanyu Zhang, Rui Li, Mei Zhang and Min Guo
Inorg. Chem. Front., 2018,5, 1354-1364


Hole-transporting materials based on thiophene-fused arenes from sulfur-mediated thienannulations
Hsing-An Lin, Nobuhiko Mitoma, Lingkui Meng, Yasutomo Segawa, Atsushi Wakamiya and Kenichiro Itami
Mater. Chem. Front., 2018,2, 275-280


Environmentally friendly, aqueous processed ZnO as an efficient electron transport layer for low temperature processed metal–halide perovskite photovoltaics
Jiaqi Zhang, Maurizio Morbidoni, Keke Huang, Shouhua Feng and Martyn A. McLachlan
Inorg. Chem. Front., 2018,5, 84-89


A chemical sensor for CBr4 based on quasi-2D and 3D hybrid organic–inorganic perovskites immobilized on TiO2 films
Pavlos Nikolaou, Anastasia Vassilakopoulou, Dionysios Papadatos, Emmanuel Topoglidis and Ioannis Koutselas
Mater. Chem. Front., 2018,2, 730-740


A cascade-type electron extraction design for efficient low-bandgap perovskite solar cells based on a conventional structure with suppressed open-circuit voltage loss
Meiyue Liu, Ziming Chen, Zhen Chen, Hin-Lap Yip and Yong Cao
Mater. Chem. Front., 2019,3, 496-504


A potassium thiocyanate additive for hysteresis elimination in highly efficient perovskite solar cells
Ruxiao Zhang, Minghua Li, Yahuan Huan, Jiahao Xi, Suicai Zhang, Xiaoqin Cheng, Hailin Wu, Wencai Peng, Zhiming Bai and Xiaoqin Yan
Inorg. Chem. Front., 2019,6, 434-442


Performance enhancement in up-conversion nanoparticle-embedded perovskite solar cells by harvesting near-infrared sunlight
Dongyu Ma, Yingli Shen, Tongtong Su, Juan Zhao, Naveed Ur Rahman, Zongliang Xie, Feng Shi, Shizhao Zheng, Yi Zhang and Zhenguo Chi
Mater. Chem. Front., 2019,3, 2058-2065


Molecular doping of CuSCN for hole transporting layers in inverted-type planar perovskite solar cells
In Su Jin, Ju Ho Lee, Young Wook Noh, Sang Hyun Park and Jae Woong Jung
Inorg. Chem. Front., 2019,6, 2158-2166


CsPbI2.69Br0.31 solar cells from low-temperature fabrication
Shizhe Wang, Yong Hua, Mingkui Wang, Fangyang Liu and Liming Ding
Mater. Chem. Front., 2019,3, 1139-1142


(1,4-Butyldiammonium)CdBr4: a layered organic–inorganic hybrid perovskite with a visible-blind ultraviolet photoelectric response
Yuyin Wang, Chengmin Ji, Xitao Liu, Shiguo Han, Jing Zhang, Zhihua Sun, Asma Khan and Junhua Luo
Inorg. Chem. Front., 2018,5, 2450-2455


Electronic properties of tin iodide hybrid perovskites: effect of indium doping
Keisuke Kobayashi, Hiroyuki Hasegawa, Yukihiro Takahashi, Jun Harada and Tamotsu Inabe
Mater. Chem. Front., 2018,2, 1291-1295


Bilayer chlorophyll derivatives as efficient hole-transporting layers for perovskite solar cells
Na Li, Chunxiang Dall’Agnese, Wenjie Zhao, Shengnan Duan, Gang Chen, Shin-ichi Sasaki, Hitoshi Tamiaki, Yoshitaka Sanehira, Tsutomu Miyasaka and Xiao-Feng Wang
Mater. Chem. Front., 2019,3, 2357-2362


Step-efficient access to new starburst hole-transport materials with carbazole end-groups for perovskite solar cells via direct C–H/C–Br coupling reactions
Yu-Chieh Chang, Kun-Mu Lee, Chang-Chieh Ting and Ching-Yuan Liu
Mater. Chem. Front., 2019,3, 2041-2045


High-performance carbon-based perovskite solar cells through the dual role of PC61BM
Weili Fan, Zhe Wei, Zhenyun Zhang, Fazheng Qiu, Chaosheng Hu, Zhichao Li, Minxuan Xu and Junjie Qi
Inorg. Chem. Front., 2019,6, 2767-2775


Efficient inverted perovskite solar cells with truxene-bridged PDI trimers as electron transporting materials
Rui Wang, Kui Jiang, Han Yu, Fei Wu, Linna Zhu and He Yan
Mater. Chem. Front., 2019,3, 2137-2142


N-Methyl-2-pyrrolidone as an excellent coordinative additive with a wide operating range for fabricating high-quality perovskite films
Fangwen Cheng, Xiaojing Jing, Ruihao Chen, Jing Cao, Juanzhu Yan, Youyunqi Wu, Xiaofeng Huang, Binghui Wu and Nanfeng Zheng
Inorg. Chem. Front., 2019,6, 2458-2463


Groove-assisted solution growth of lead bromide perovskite aligned nanowires: a simple method towards photoluminescent materials with guiding light properties
Isabelle Rodriguez, Roberto Fenollosa, Fernando Ramiro-Manzano, Rocío García-Aboal, Pedro Atienzar and Francisco J. Meseguer
Mater. Chem. Front., 2019,3, 1754-1760

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Functional conjugated organic molecules – A collection of articles from Frontiers Journals

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We are delighted to share with you a collection of articles from Materials Chemistry Frontiers and Organic Chemistry Frontiers to showcase the key findings and breakthroughs in the field of functional conjugated organic molecules, including the synthesis of the conjugated systems, their properties and applications. This collection is free to access till Jun 19th 2020.


Figuration of bowl-shaped π-conjugated molecules: properties and functions
Masaichi Saito, Hiroshi Shinokubo and Hidehiro Sakurai
Mater. Chem. Front., 2018,2, 635-661

Design strategies of n-type conjugated polymers for organic thin-film transistors
Ying Sui, Yunfeng Deng, Tian Du, Yibo Shi and Yanhou Geng
Mater. Chem. Front., 2019,3, 1932-1951

Research articles

Modulation of luminescence chromic behaviors and environment-responsive intensity changes by substituents in bis-o-carborane-substituted conjugated molecules
Hiroki Mori, Kenta Nishino, Keisuke Wada, Yasuhiro Morisaki, Kazuo Tanaka and Yoshiki Chujo
Mater. Chem. Front., 2018,2, 573-579

Enhancement of intra- and inter-molecular π-conjugated effects for a non-fullerene acceptor to achieve high-efficiency organic solar cells with an extended photoresponse range and optimized morphology
Ning Wang, Lingling Zhan, Shuixing Li, Minmin Shi, Tsz-Ki Lau, Xinhui Lu, Rafi Shikler, Chang-Zhi Li and Hongzheng Chen
Mater. Chem. Front., 2018,2, 2006-2012

One-step rapid synthesis of π-conjugated large oligomers via C–H activation coupling
Shi-Yong Liu, Di-Gang Wang, Ai-Guo Zhong and He-Rui Wen
Org. Chem. Front., 2018,5, 653-661

Folate-conjugated and pH-triggered doxorubicin and paclitaxel co-delivery micellar system for targeted anticancer drug delivery
Lijing Niu, Feiyan Zhu, Bowen Li, Lingling Zhao, Hongze Liang, Yinghua Yan and Hui Tan
Mater. Chem. Front., 2018,2, 1529-1538

Influence of catalytic systems in Stille polymerization on the electrochromic performance of diketopyrrolopyrrole-based conjugated polymers
Wei Teng Neo, Qun Ye, Zugui Shi, Soo-Jin Chua and Jianwei Xu
Mater. Chem. Front., 2018,2, 331-337

Highly efficient transformation of linear poly(phenylene ethynylene)s into zigzag-shaped π-conjugated microporous polymers through boron-mediated alkyne benzannulation
Yoshiaki Shoji, Minsu Hwang, Haruka Sugiyama, Fumitaka Ishiwari, Kumiko Takenouchi, Ryota Osuga, Junko N. Kondo, Shigenori Fujikawa and Takanori Fukushima
Mater. Chem. Front., 2018,2, 807-814

Conjugated molecular dyads with diketopyrrolopyrrole-based conjugated backbones for single-component organic solar cells
Dongdong Xia, Fan Yang, Junyu Li, Cheng Li and Weiwei Li
Mater. Chem. Front., 2019,3, 1565-1573

Preparation of bright-emissive hybrid materials based on light-harvesting POSS having radially integrated luminophores and commercial π-conjugated polymers
Masayuki Gon, Keita Sato, Keigo Kato, Kazuo Tanaka and Yoshiki Chujo
Mater. Chem. Front., 2019,3, 314-320

Fused donor–acceptor π-conjugated diazatruxenones: synthesis and electronic properties
Angela Benito-Hernández, Mardia T. El-Sayed, Juan T. López Navarrete, M. Carmen Ruiz Delgado and Berta Gómez-Lor
Org. Chem. Front., 2018,5, 1748-1755

Orthogonally arranged tripyrrin–BODIPY conjugates with an “edge to plane” mode
Chun-Liang Hou, Yuhang Yao, Da Wang, Jing Zhang and Jun-Long Zhang
Org. Chem. Front., 2019,6, 2266-2274

Near-infrared light-induced shape memory, self-healable and anti-bacterial elastomers prepared by incorporation of a diketopyrrolopyrrole-based conjugated polymer
Yaling Zhang, Shiwei Zhou, Kok Chan Chong, Shaowei Wang and Bin Liu
Mater. Chem. Front., 2019,3, 836-841

Increased conjugated backbone twisting to improve carbonylated-functionalized polymer photovoltaic performance
Tao Zhang, Cunbin An, Kangqiao Ma, Kaihu Xian, Changguo Xue, Shaoqing Zhang, Bowei Xu and Jianhui Hou
Org. Chem. Front., 2020,7, 261-266

Pyridine-terminated low gap π-conjugated oligomers: design, synthesis, and photophysical response to protonation and metalation
Asmerom O. Weldeab, Lei Li, Seda Cekli, Khalil A. Abboud, Kirk S. Schanze and Ronald K. Castellano
Org. Chem. Front., 2018,5, 3170-3177

Molecular modulation of fluorene-dibenzothiophene-S,S-dioxide-based conjugated polymers for enhanced photoelectrochemical water oxidation under visible light
Chunhui Dai, Xuezhong Gong, Xianglin Zhu, Can Xue and Bin Liu
Mater. Chem. Front., 2018,2, 2021-2025

Helicene-derived aggregation-induced emission conjugates with highly tunable circularly polarized luminescence
Chengshuo Shen, Fuwei Gan, Guoli Zhang, Yongle Ding, Jinghao Wang, Ruibin Wang, Jeanne Crassous and Huibin Qiu
Mater. Chem. Front., 2020,4, 837-844

Electrochemical doping engineering tuning of the thermoelectric performance of a π-conjugated free-standing poly(thiophene-furan) thin-film
Wenqian Yao, Lanlan Shen, Peipei Liu, Congcong Liu, Jingkun Xu, Qinglin Jiang, Guoqiang Liu, Guangming Nie and Fengxing Jiang
Mater. Chem. Front., 2020,4, 597-604

Conjugated oligomers with alternating heterocycles from a single monomer: synthesis and demonstration of electroluminescence
Sara Urrego-Riveros, Matthias Bremer, Jonas Hoffmann, Anne Heitmann, Thibault Reynaldo, Janek Buhl, Paul J. Gates, Frank D. Sönnichsen, Muriel Hissler, Martina Gerken and Anne Staubitz
Org. Chem. Front., 2019,6, 3636-3643

The synthesis and properties of a new class of π-expanded diketopyrrolopyrrole analogs and conjugated polymers
Yazhou Wang, Yuchun Xu, Mahesh Kumar Ravva, Yaping Yu, Mingfei Xiao, Xiang Xue, Xinru Yang, Yongming Chen, Zhengke Li and Wan Yue
Org. Chem. Front., 2019,6, 2974-2980

Wave-packet multi-scale simulations based on a non-linear tight-binding Hamiltonian for carrier transport in π-conjugated polymers
Tomofumi Tada
Mater. Chem. Front., 2018,2, 1351-1359

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Outstanding Reviewers for Materials Chemistry Frontiers in 2019

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We would like to highlight the Outstanding Reviewers for Materials Chemistry Frontiers in 2019, as selected by the editorial team, for their significant contribution to the journal. The reviewers have been chosen based on the number, timeliness and quality of the reports completed over the last 12 months.

We would like to say a big thank you to those individuals listed here as well as to all of the reviewers that have supported the journal. Each Outstanding Reviewer will receive a certificate to give recognition for their significant contribution.


Dr Laure Biniek, Institut Charles Sadron, ORCID: 0000-0002-7643-3713

Dr Zhen Li, Hubei University, ORCID: 0000-0002-7427-6777

Dr Gregory Pieters, CEA Saclay, ORCID: 0000-0002-3924-8287

Professor Andrea Pucci, University of Pisa, ORCID: 0000-0003-1278-5004

Professor Anjun Qin, South China University of Technology, ORCID: 0000-0001-7158-1808

Professor Kazuo Tanaka, Kyoto University, ORCID: 0000-0001-6571-7086

Dr Jiangyan Wang, Stanford University, ORCID: 0000-0001-6951-1296

Professor Shuangyin Wang, Hunan University, ORCID: 0000-0001-7185-9857

Professor Nailiang Yang, Institute of Process Engineering, Chinese Academy of Sciences, ORCID: 0000-0002-5708-8379

Dr Ying-Wei Yang, Jilin University, ORCID: 0000-0001-8839-8161


We would also like to thank the Materials Chemistry Frontiers board and the materials chemistry community for their continued support of the journal, as authors, reviewers and readers.


If you would like to become a reviewer for our journal, just email us with details of your research interests and an up-to-date CV or résumé. You can find more details in our author and reviewer resource centre

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Materials Chemistry Frontiers board members participated in a panel discussion at the Northwestern University

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On 6th Dec 2019, six Materials Chemistry Frontiers board members participated in a panel discussion of “Being Bold in STEM” at the Northwestern University. The panel was organized and moderated by Northwestern students. Three female scientists were featured and the other male scientists actively participated.

Panelist   Participants
Yu Huang

University of California, Los Angeles, USA

Jiaxing Huang

Northwestern University, USA­

Emilie Ringe

University of Cambridge, UK

Kazuo Tanaka

Kyoto University, Japan

Marina A. Petrukhina

University at Albany, New York, USA

Guillaume Wantz

University of Bordeaux, France

Topics and Questions:

  • We often receive the message that it’s in our career interests to not “rock the boat” and speak out against the norms or status quo of our community. Do you agree with this, and to what extent?
  • Please share some examples in which you have used your voice to speak out against something that you disagreed with. Could be challenging a scientific concept or shutting down discrimination, etc.
  • Was there ever a time when “being bold” backfired for you? What did you learn from the situation?
  • How have you navigated pivots or new directions in your career?
  • How have you remained bold in the face of rejection?


Students and postdocs of Northwestern University

In the panel, the scientists addressed questions and shared how they had learned to be bold scientists, educators, and working professionals. Some suggested for students were, finding out what they were good at and building on that, being bold to talk to their professors, talking to the top players in the field when there was a chance and reaching out to more people. They also shared their own stories about being bold and confident. This Panel offered a great opportunity for students to interact with scientists and seek for advice on future development.

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Congratulations to our highly cited board members!

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We are proud to announce that 15 of Materials Chemistry Frontiers Board members are recognized in Clarivate Analytics list of Highly Cited Researchers for 2019, ranking them among the top 1% most cited for their subject field and publication year.

The board members are:

Editorial Board

Ben Zhong Tang, Hong Kong University of Science and Technology, China
Feihe Huang, Zhejiang University, China
Yu Huang, University of California, Los Angeles, USA
Dan Wang, Institute of Process Engineering, CAS, China

Advisory Board

Guillermo C Bazan, UC Santa Barbara, USA
Xinliang Feng, Technische Universität Dresden, Germany
Jiaxing Huang, Northwestern University
Bin Liu, National University of Singapore, Singapore
Krzysztof Matyjaszewski, Carnegie Mellon University, USA
Thuc Quyen Nguyen, University of California,Santa Barbara, USA
Juyoung Yoon, Ewha Womans University, South Korea
Hua Zhang, City University of Hong Kong, China
Qichun Zhang, Nanyang Technological University, Singapore
Tierui Zhang, Technical Institute of Physics and Chemistry, China
Yuliang Zhao, National Center for Nanoscience and Technology, China

Below are a few of our picks from their publications in Materials Chemistry Frontiers journals. Access is free to these highlighted papers!

Tunable circularly polarized luminescence from molecular assemblies of chiral AIEgens
Fengyan Song, Yanhua Cheng*, Qiuming Liu, Zijie Qiu, Jacky W. Y. Lam, Liangbin Lin, Fafu Yang* and Ben Zhong Tang*
Mater. Chem. Front., 2019,3, 1768-1778

Sparks fly when AIE meets with polymers
Yuanyuan Li, Shunjie Liu, Ting Han, Haoke Zhang, Clarence Chuah, Ryan T. K. Kwok, Jacky W. Y. Lam* and Ben Zhong Tang*
Mater. Chem. Front., 2019,3, 2207-2220

Hollow multi-shell structured SnO2 with enhanced performance for ultraviolet photodetectors
Meng Li, Dan Mao, Jiawei Wan, Fakun Wang, Tianyou Zhai and Dan Wang*
Inorg. Chem. Front., 2019,6, 1968-1972

Formation of multi-shelled nickel-based sulfide hollow spheres for rechargeable alkaline batteries
Dongwei Li, Xiaoxian Zhao, Ranbo Yu*, Bao Wang*, Hao Wangc and Dan Wang*
Inorg. Chem. Front., 2018,5, 535-540

Recent progress in macrocyclic amphiphiles and macrocyclic host-based supra-amphiphiles
Huangtianzhi Zhu, Liqing Shangguan, Bingbing Shi, Guocan Yu* and Feihe Huang*
Mater. Chem. Front., 2018,2, 2152-2174

Pillararene-based host–guest recognition facilitated magnetic separation and enrichment of cell membrane proteins
Huangtianzhi Zhu, Jiaqi Liu, Bingbing Shi, Huanhuan Wang, Zhengwei Mao*, Tizhong Shan* and Feihe Huang*
Mater. Chem. Front., 2018,2, 1475-1480

Direct visualization of the ouzo zone through aggregation-induced dye emission for the synthesis of highly monodispersed polymeric nanoparticles
Eshu Middha, Purnima Naresh Manghnani, Denise Zi Ling Ng, Huan Chen, Saif A. Khan and Bin Liu*
Mater. Chem. Front., 2019,3, 1375-1384

Near-infrared light-induced shape memory, self-healable and anti-bacterial elastomers prepared by incorporation of a diketopyrrolopyrrole-based conjugated polymer
Yaling Zhang, Shiwei Zhou, Kok Chan Chong, Shaowei Wang and Bin Liu*
Mater. Chem. Front., 2019,3, 836-841

Recent progress in ligand-centered homogeneous electrocatalysts for hydrogen evolution reaction
Geng-Geng Luo*, Hai-Lin Zhang, Yun-Wen Tao, Qiao-Yu Wu, Dan Tian and Qichun Zhang*
Inorg. Chem. Front., 2019,6, 343-354

New synthetic strategies to prepare metal–organic frameworks
Peng Li, Fang-Fang Cheng, Wei-Wei Xiong* and Qichun Zhang*
Inorg. Chem. Front., 2018,5, 2693-2708

Polycyclic heteroaromatic hydrocarbons containing a benzoisoindole core
Marcus Richter, Karl Sebastian Schellhammer, Peter Machata, Gianaurelio Cuniberti, Alexey Popov, Frank Ortmann, Reinhard Berger*, Klaus Müllend and Xinliang Feng*
Org. Chem. Front., 2017,4, 847-852

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HOT articles in October 2019

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Materials Chemistry Frontiers is delighted to share with you the HOT articles of October 2019!

You can access these publications for free till 31st December 2019 by logging into your free Royal Society of Chemistry publishing personal account (http://pubs.rsc.org).


Copper surface doping to improve the structure and surface properties of manganese-rich cathode materials for sodium ion batteries
Tao Chen, Weifang Liu, Yi Zhuo, Hang Hu, Jing Guo, Yaochi Liu, Jun Yan and Kaiyu Liu
Mater. Chem. Front., 2019, 3, 2374-2379

Zeolite-confined carbon dots: tuning thermally activated delayed fluorescence emission via energy transfer
Hongyue Zhang, Jiancong Liu, Bolun Wang, Kaikai Liu, Guangrui Chen, Xiaowei Yu, Jiyang Li and Jihong Yu
Mater. Chem. Front., 2019, Advance Article

Design and performance study of high efficiency/low efficiency roll-off/high CRI hybrid WOLEDs based on aggregation-induced emission materials as fluorescent emitters
Zeng Xu, Jiabao Gu, Jian Huang, Chengwei Lin, Yuanzhao Li, Dezhi Yang, Xianfeng Qiao, Anjun Qin, Zujin Zhao, Ben Zhong Tang and Dongge Ma
Mater. Chem. Front., 2019, Advance Article

A polymorphic fluorescent material with strong solid state emission and multi-stimuli-responsive properties
Ji-Yu Zhu, Chun-Xiang Li, Peng-Zhong Chen, Zhiwei Ma, Bo Zou, Li-Ya Niu, Ganglong Cui and Qing-Zheng Yang
Mater. Chem. Front., 2019, Advance Article

Carbonized polymer dots/TiO2 photonic crystal heterostructures with enhanced light harvesting and charge separation for efficient and stable photocatalysis
Yue Zhao, Qingsen Zeng, Tanglue Feng, Chunlei Xia, Chongming Liu, Fan Yang, Kai Zhang and Bai Yang
Mater. Chem. Front., 2019, Advance Article

Anion replacement in silver chlorobromide nanocubes: two distinct hollowing mechanisms
Sasitha C. Abeyweera, Shea Stewart and Yugang Sun
Mater. Chem. Front., 2019, Advance Article

Tuning aggregation-induced emission nanoparticle properties under thin film formation
Javad Tavakoli, Scott Pye, A. H. M. Mosinul Reza, Ni Xie, Jian Qin, Colin L. Raston, Ben Zhong Tang and Youhong Tang
Mater. Chem. Front., 2019, Advance Article

Push–pull type quinoidal perylene showing solvent polarity dependent diradical character and negative solvatochromism
Wangdong Zeng and Jishan Wu
Mater. Chem. Front., 2019, Advance Article


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