Author Archive

Hot Communication: Atomic layer deposition of tin oxide with nitric oxide as an oxidant gas

Graphical abstract: Atomic layer deposition of tin oxide with nitric oxide as an oxidant gasNanostructured transparent conducting oxides are used as electrodes/conductors in thin-film solar cells. The high light absorption offered by nanostructures provides a large surface area which increases the conversion efficiency of the solar cells. In Hot Communication, Jaeyeong Heo, Sang Bok Kim and Roy G. Gordon report a method for atomic layer deposition of tin oxide using nitric oxide as an oxidant gas. The team say this is the first report of using of NO as an oxidant gas for atomic layer deposition. Read the article for free until 17th April:

Atomic layer deposition of tin oxide with nitric oxide as an oxidant gas: Jaeyeong Heo, Sang Bok Kim and Roy G. Gordon, J. Mater. Chem., 2012, 22, 4599-4602

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Focus on: Photonic Materials and Photonic Crystals

Here’s a selection of papers highlighting some of the recent research on photonic materials and photonic crystals published in Journal of Materials Chemistry. I hope you enjoy reading them.

Feature Article:
Fabrication of functional colloidal photonic crystals based on well-designed latex particles
Youzhuan Zhang ,  Jingxia Wang ,  Yu Huang ,  Yanlin Song and Lei Jiang
J. Mater. Chem., 2011, 21, 14113-14126   

Highlights:   
Biotemplating routes to three-dimensional photonic crystals
Matthew R. Jorgensen and Michael H. Bartl
J. Mater. Chem., 2011, 21, 10583-10591   

Fabrication of quantum dot-based photonic materials from small to large via interfacial self-assembly
Ziyi Yu ,  Cai-Feng Wang and Su Chen
J. Mater. Chem., 2011, 21, 8496-8501   

Papers:   
Visually readable and highly stable self-display photonic humidity sensor
Haibo Hu ,  Qian-Wang Chen ,  Kai Cheng and Jian Tang
J. Mater. Chem., 2012, 22, 1021-1027   

Invisible photonic prints shown by water
Ruyang Xuan and Jianping Ge
J. Mater. Chem., 2012, 22, 367-372   

Highly sensitive colorimetric sensing for heavy metal ions by strong polyelectrolyte photonic hydrogels
Wei Hong ,  Weihua Li ,  Xiaobin Hu ,  Binyuan Zhao ,  Fan Zhang and Di Zhang
J. Mater. Chem., 2011, 21, 17193-17201   

Fabrication of wafer-scale polystyrene photonic crystal multilayers via the layer-by-layer scooping transfer technique
Jeong Rok Oh ,  Jung Ho Moon ,  Sungho Yoon ,  Chan Ryang Park and Young Rag Do
J. Mater. Chem., 2011, 21, 14167-14172   

Photonic crystal pH sensor containing a planar defect for fast and enhanced response
Nébéwia Griffete ,  Hugo Frederich ,  Agnès Maître ,  Mohamed M. Chehimi ,  Serge Ravaine and Claire Mangeney
J. Mater. Chem., 2011, 21, 13052-13055   

Fabrication of carbon/refractory metal nanocomposites as thermally stable metallic photonic crystals
Prashant Nagpal ,  David P. Josephson ,  Nicholas R. Denny ,  Joseph DeWilde ,  David J. Norris and Andreas Stein
J. Mater. Chem., 2011, 21, 10836-10843   

Magnetically assembled photonic crystal film for humidity sensing
Ruyang Xuan ,  Qingsheng Wu ,  Yadong Yin and Jianping Ge
J. Mater. Chem., 2011, 21, 3672-3676   

Holographic fabrication of azo-dye-functionalized photonic structures
Yan Jun Liu ,  Hai Tao Dai and Xiao Wei Sun
J. Mater. Chem., 2011, 21, 2982-2986   

Amplifying fluorescence sensing based on inverse opal photonic crystal toward trace TNT detection
Heng Li ,  Jingxia Wang ,  Zelin Pan ,  Liying Cui ,  Liang Xu ,  Rongming Wang ,  Yanlin Song and Lei Jiang
J. Mater. Chem., 2011, 21, 1730-1735   

Colorful detection of organic solvents based on responsive organic/inorganic hybrid one-dimensional photonic crystals
Zhanhua Wang ,  Junhu Zhang ,  Jiaxin Li ,  Jing Xie ,  Yunfeng Li ,  Sen Liang ,  Zhicheng Tian ,  Chuang Li ,  Zhaoyi Wang ,  Tieqiang Wang ,  Hao Zhang and Bai Yang
J. Mater. Chem., 2011, 21, 1264-1270   

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Conference: The Fourth International NanoBio Conference – NanoBio Seattle 2012 July 23 – 26, 2012 Seattle, WA (USA)

Join more than 35 internationally renowned speakers for a four-day nanobiotechnology conference in Seattle, Washington (USA) this July.

Discuss recent advances in tools, materials, devices and translational medical applications and network with scientists from across the fields of nanoscience and nanotechnology.  Session topics include NanoBio Devices, Drug Delivery & Nanomedicine; Nanomedical Imaging; Nanotoxicology, Biomimetic and Bioinspired Nano-Structured Materials and Interfaces; Nano-scale Characterization Techniques and Single Molecule Analysis.

NanoBio Seattle 2012 is chaired by University of Washington Professor Pat Stayton and follows NanoBio Tokyo 2006 (chaired by Prof. Kazunori Kataoka), NanoBio Seoul 2008 (chaired by Prof. Kyung-Hwa Yoo) and NanoBio Zürich 2010 (chaired by Prof. Marcus Textor).

 NanoBio Seattle 2012 logo

For registration, details, and a full list of speakers, please visit www.nanobioseattle.org.

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Hot Paper: PhOLEDs using solution-processed commercial electron-transport materials

Phosphorescent OLEDs (PhOLEDs) which use triplet excitons offer superior performance compared to conventional fluorescent OLEDs; however, most of the high-performance PhOLEDs reported so far have been based on vacuum-deposited small-molecules involving thermal evaporation processes to create multilayered structures. Solution-based processes should provide a cheaper alternative to vacuum deposition for fabricating PhOLEDs.

In this Hot Paper Taeshik Earmme and Samson A. Jenekhe report high-performance multilayered PhOLEDs fabricated by orthogonal sequential solution-processing of a triplet-emitter-doped poly(N-vinylcarbazole)(PVK)-based emissive layer and widely used commercial small-molecule electron-transport materials. The team say that their results demonstrate that commercial small-molecule electron-transport materials can be readily solution-deposited to realise high-performance PhOLEDs. Interested to know more? Read the full article for free until 10th April.

Graphical abstract: High-performance multilayered phosphorescent OLEDs by solution-processed commercial electron-transport materials

High-performance multilayered phosphorescent OLEDs by solution-processed commercial electron-transport materials: Taeshik Earmme and Samson A. Jenekhe, J. Mater. Chem., 2012, 22, 4660-4668.

 

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Hot Communication: Preparation of nanoparticles with amine surface reactivity

Graphical abstract: One-pot synthesis in polyamines for preparation of water-soluble magnetite nanoparticles with amine surface reactivitySuperparamagnetic iron oxide nanoparticles are used in applications such as target delivery, magnetic resonance imaging, hyperthermia and magnetic separation; however, nanoparticle synthesis often requires a sophisticated ligand exchange reaction to add the right functional groups to the nanoparticle surface. In this Hot Communication Charles J. O’Connor and co-workers at University of New Orleans and the University of Bordeaux report the synthesis of polyamine stabilized magnetite nanoparticles that are highly stable in aqueous solution. The surface amine groups are also readily available for further modification. Read for free until 12th April (free registration required)

One-pot synthesis in polyamines for preparation of water-soluble magnetite nanoparticles with amine surface reactivity: Haiou Qu ,  Hui Ma ,  Aurélien Riviere ,  Weilie Zhou and Charles J. O’Connor, J. Mater. Chem., 2012, 22, 3311-3313

 

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Hot Feature Article: Metal–organic frameworks as scaffolds for the encapsulation of active species

Graphical abstract: Metal–organic frameworks as scaffolds for the encapsulation of active species: state of the art and future perspectivesMetal-organic frameworks are used in a range of applications such as catalysis, and gas storage and separation. In this Hot Feature Article Juan-Alcañiz , Jorge Gascon and Freek Kapteijn present a critical review of the recent progress in encapsulating active moieties in metal–organic frameworks. This review is focuses on active species bigger than the pores or windows of the host system (physically entrapped moieties), the synthetic methods followed, and the application of the resulting composites. Read for free until 2nd April

Metal–organic frameworks as scaffolds for the encapsulation of active species: state of the art and future perspectives: Jana Juan-Alcañiz, Jorge Gascon and Freek Kapteijn, J. Mater. Chem., 2012, DOI: 10.1039/C2JM15563J (Advance Article)

 

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Hot Article: Aided-cation dehydrogenation

A reliable and efficient means of storing hydrogen is one of the major challenges that needs to be overcome to establish the “hydrogen economy”. In this Hot Paper Xuebin Yu and co-workers report the first successful identification of the structure of Ca(BH4)2·NH3 and a strategy to improved its dehydrogenation properties by combining Ca(BH4)2·NH3 with LiBH4. The synergistic effect of the introduction of an extra BH group and aided-cation allows the combined system to dehydrogenate at much lower temperatures than neat Ca(BH4)2·NH3 and LiBH4, and other Li-Ca-based hydrogen storage systems.

 A novel aided-cation strategy to advance the dehydrogenation of calcium borohydride monoammoniate

A novel aided-cation strategy to advance the dehydrogenation of calcium borohydride monoammoniate: Ziwei Tang, Yingbin Tan, Qinfen Gu and Xuebin Yu, J. Mater. Chem., 2012, 22, 5312-5318.

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Materials for Biosurfaces Themed Issue: Submission Deadline 20th March

Don’t forget Journal of Materials Chemistry is publishing a themed issue on Materials for Biosurfaces. Please contact the editorial office if you would like to contribute an article. The Guest Editors of this themed issue are Professor Christopher K. Ober (Cornell University, USA), Dr. Christian Ohm (Cornell University, USA), Ms. Mary E. Welch (Cornell University, USA).

The issue will focus on the synthetic and physical chemistry of biosurfaces with a primary attention to polymer based surfaces and the role of surfaces in biomedical related applications such as biosensors. Materials of interest include polymer brushes, hydrogels, membranes and self-assembled monolayers. The role of surfaces in cell adhesion and cell-surface interactions is also a topic of this special issue.  

The deadline for the receipt of manuscripts for this themed issue is 20th March 2012

Manuscripts can be submitted using the RSC’s on-line submissions service. Please clearly state in the comment to editors section during submission that the manuscript is “submitted in response to the call for papers for the themed issue on Materials for Biosurfaces”.

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Call for Papers: Themed Issue on Nanomaterials for Energy Conversion and Storage

Journal of Materials Chemistry will publish a themed issue on Nanomaterials for Energy Conversion and Storage in 2012. Please contact the editorial office if you are interested in contributing an article. The Guest Editors for this issue are Professor Michael Graetzel (École Polytechnique Fédérale de Lausann) and Dr. K. Kalyanasundaram (École Polytechnique Fédérale de Lausanne). 

One of the main challenges facing mankind in the 21st Century is in the energy sector. Rapid increase in industrialization, urbanization and population growth has led to pronounced increase in the global energy demands. With depleting fossil fuels and growing concern on environmental protection, urgent research efforts are needed to find alternative energy resources that are efficient, economical and ecologically friendly. We need to find urgently new means of generating, store and transport power at TW scale.  Since energy resources such as solar and wind are intermittent and power usage is increasingly on numerous portable electronic devices, efficient means have to be found for storage and transportation of energy. A number of electrical-electronic, photonic and optoelectronic devices have been proposed for this purpose. Typical systems under consideration include photovoltaic solar cells, batteries, supercapacitors, field-effect transistors, fuel cells, thermoelectric, thermal- and photo-catalysts and luminescence display devices.

Fortunately during late last century there has been a phenomenal increase in our understanding of systems at the atomic and molecular level. Advances permit now to tailor-make, characterize and manipulate materials at single molecule level and build devices putting pieces together at the molecular level (nanoengineering in a bottom-up approach). The topic of this special issue is how to use advances in material science and nanotechnology in designing systems for efficient inter-conversion of energy forms between thermal, solar (photonics) and electrical energy. Graphenes, Carbon nanotubes and conducting polymers are typical examples where nanoscale design permits their efficient performance in a number of energy conversion and storage devices. All devices dealing with conversion of energy forms and storage will be considered for this issue. Hydrogen produced via photochemical decomposition of water is an attractive energy resource. Hence hydrogen production, its storage and burning in fuel cells to get electricity will be included as well.  

The deadline for the receipt of manuscripts for this themed issue is 11th June 2012

Manuscripts can be submitted using the RSC’s on-line submissions service. Please clearly state that the manuscript is submitted in response to the call for papers for the themed issue on Nanomaterials for Energy Conversion and Storage.

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Two Conferences: Challenges in Inorganic and Materials Chemistry (ISACS8) & Challenges in Nanoscience (ISACS9)

Challenges in Inorganic and Materials Chemistry (ISACS8)

We are delighted to announce that registration is now open for Challenges in Inorganic and Materials Chemistry (ISACS8) which is being held on 19 – 22 July 2012 in Toronto, Canada. Register now to guarantee your place for this major conference whilst benefiting from the fantastic early bird savings currently available.

The oral abstract submission deadline is fast approaching so make sure you submit your abstract by February 24 2012 to present your work alongside sixteen outstanding plenary speakers.

For further details on this significant event, please visit the dedicated webpage.

 

Event Announcement: Challenges in Nanoscience (ISACS9)

We are proud to announce that the International Symposia on Advancing the Chemical Sciences (ISACS) series will return this year to include Challenges in Nanoscience (ISACS9) on 31 August – 3 September 2012 in Xiamen, China.
Full details surrounding the confirmed speakers and abstract submission process can be found on the dedicated webpage for this significant global conference.

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