Archive for 2011

Highlight: MOFs go green

Acetylene is an important starting material in the petrochemical and electronic industry for various industrial and consumer products, and a promising alternative energy source for future acetylene fuel cell vehicles. With the importance of acetylene, as a green fuel, this CrystEngComm Highlight, focuses on the storage of acetylene and its separation from the CO2, CH4, or C2H4 mixtures on micro-porous metal–organic frameworks (MOFs).

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Microporous metal–organic frameworks for acetylene storage and separation
Zhangjing Zhang, Shengchang Xiang and Banglin Chen
CrystEngComm, 2011, Advance Article
DOI: 10.1039/C1CE05437F

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HOT article: Mixed crystals for SC-OFETs

In this HOT article, the solid-state interactions of dibenzophosphole chalcogenides and their potential application as electron transporting materials were investigated. The crystallographic properties of 9-phenyl-9-dibenzophosphole chalcogenides were compared with the mixed crystal structure and optical properties of 9-phenyl-9-dibenzophosphole sulphideselenide. The mixed crystal displayed desirable properties, i.e. carrier transport and emission properties, and this approach may be useful in the future for optoelectronic applications such as light-emitting SC-OFETs

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Enhanced phosphorescence in dibenzophosphole chalcogenide mixed crystal
Ryota Kabe, Vincent M. Lynch and Pavel Anzenbacher Jr.
CrystEngComm, 2011, Advance Article
DOI: 10.1039/C1CE05388D

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July Crystal Clear: Silver crystal trees

This month’s Crystal Clear shows silver crystals forming tree shaped structures.

The image is taken from an article by Chunhua Ding, Jixiang Fang and colleagues from Xi’an Jiaotong University, China, which appeared in Issue 14 of CrystEngComm.

The scientists look at the nanostructural growth of the silver crystals, and how changing the conditions changes the way the crystals form. In this optical micrograph the silver crystals are arranged into a loose fractal tree, but they also made dendrite and dense branched shaped structures.

Read the full article to find out more about the nanostructures of these silver crystals…

In situ studies of different growth modes of silver crystals induced by the concentration field in an aqueous solution
Hongjun You, Chunhua Ding, Xiaoping Song, Bingjun Ding and Jixiang Fang
CrystEngComm, 2011, 13, 4491-4495
DOI: 10.1039/C1CE05289F

See other Crystal Clears by clicking on the category in the panel on the right hand side.

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CrystEngComm poster prize winner at ICCOSS XX

CrystEngComm was delighted to sponsor a poster prize at the recent International Conference on the Chemistry of the Organic Solid State (ICCOSS XX), held at the Indian Institute of Science in Bangalore.

The prize was awarded to Vjekoslav Štrukil from the Rudjer Boskovic Institute in Zagreb, Croatia, by Christer Aakeroy, for his poster on “Mechanochemical Synthesis of Zinc and Cadmium Metal-Organic Frameworks – The Story of Dimensionality and Solid-State Reactivity”. Find out more about Dr Štrukil’s work by visiting his lab’s webpages (Laboratory for Physical Organic Chemistry), or reading this news story.

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Interested in solid state chemistry? Read Kraig Wheelers thoughts on the recent Midwest Organic Solid State Chemistry symposium in Illinois, or see our themed issue on Dynamic behaviour and reactivity in crystalline solids, guest edited by Graeme Day and Tomislav Friščić, from Cambridge University.

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Keep up to date with the latest news and research in solid-state and crystalline materials: sign up to the CrystEngComm e-alert, follow us on Twitter, and get the RSS feed.

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Hot Article: Bisazomethine dyes

Scientists from Japan and China have investigated the crystal structures of bisazomethine dyes in this CrystEngComm Hot article.

The researchers looked at the 2D molecular stacking of the structures, to try and work out the best way of engineering a quasi-low-D electronic state. These materials could then be used in opto-electronics, especially in flexible devices.

Read the full article for FREE to find out more about the structures of these organic dyes…

Effects of alkoxy substitution on the crystal structure of 2,3-bis[(E)-4-(diethylamino)-2-alkoxybenzylideneamino]fumaronitrile derivatives
Byung-Soon Kim, Takumi Jindo, Ryohei Eto, Yohei Shinohara, Young-A Son, Sung-Hoon Kim and Shinya Matsumoto
CrystEngComm, 2011, DOI: 10.1039/C1CE05198A

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Hot Article: Self-assembly of melem on silver

In this CrystEngComm Hot Article, Johanna Eichhorn and colleagues from Munich, Germany study the self-assembly of melem on Ag(111) surface using scanning tunnelling microscopy.

They observe seven different monolayer polymorphs stabilized by intermolecular hydrogen bonds. Porous surface-supported supramolecular monolayers have potential applications as host networks for the inclusion of guests or even as organic templates for the growth of size-selected metal nanoparticles.

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Self-assembly of melem on Ag(111)—emergence of porous structures based on amino-heptazine hydrogen bonds
Johanna Eichhorn, Stefan Schlögl, Bettina V. Lotsch, Wolfgang Schnick, Wolfgang M. Heckl and Markus Lackinger
CrystEngComm, 2011, Advance Article
DOI: 10.1039/C1CE05342F, Paper

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Hot Article: 2D self-assembly of a hexapod


In this CrystEngComm Hot Article, Steven De Feyter, Albertus Schenning and colleagues investigate how molecular chirality can be expressed at the supramolecular level during 2D self-assembly.

They studied the formation of a chiral monolayer of a substituted hexaarylbenzene with 24 stereogenic centres at the interface between a liquid and highly oriented pyrolytic graphite. When both enantiomers are co-adsorbed on the surface, a racemic conglomerate is formed.

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A multivalent hexapod having 24 stereogenic centers: chirality and conformational dynamics in homochiral and heterochiral systems
Hong Xu, Martin Wolffs, Željko Tomović, E. W. Meijer, Albertus P. H. J. Schenning and Steven De Feyter
CrystEngComm, 2011, Advance Article
DOI: 10.1039/C1CE05433C, Paper

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CrystEngComm has a new Impact Factor!

CrystEngComm’s 2010 Impact Factor has been announced as 4.00 in the 2010 Journal Citation Reports released by Thomson ISI earlier this week.

Since its launch in 1999, CrystEngComm has grown from strength to strength, to become the journal of choice for many authors and readers working in the crystal engineering and nanocrystal fields.

The Impact Factor for 2010 is calculated from the total number of citations given in 2010 to articles published in 2008 and 2009, divided by the number of articles published in 2008 and 2009.

We thank all our authors and referees who have supported the journal since its launch. Please visit our website to learn more about CrystEngComm, or submit an article today.

Information about the latest impact factors for other RSC journals can be found here.

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IUCr Madrid 2011 – 22-30 August 2011

The triennial meetings of the International Union of Crystallography represent a highlight for crystallographers worldwide. This year , from the 22-30 August, the XXII International Congress and General Assembly of the IUCr will take place in beautiful Madrid, Spain. I will be there from 22-25 August on behalf of CrystEngComm – please do send me an email if you wish to arrange a meeting. The Chair of the CrystEngComm Editorial Board, Len MacGillivray and Associate Editor for the Americas, Christer Aakeroy will also be at this conference.

You can register for the meeting here and more information is available on the conference website. Looking forward to seeing you there!

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Elena Marelli wins poster prize at the BCA Spring Meeting 2011

Elena Marelli from the University of Reading was this year’s winner of the CrystEngComm-CCG Poster Prize at the BCA Spring meeting at the University of Keele in April. Elena won the prize for her poster ‘Breaking up and getting back together: Transition metal cyanides in action’. Elena is supervised by Drs Ann Chippindale and Simon Hibble at Reading. Congratulations Elena!

Were you at this year’s BCA Spring meeting? Did any posters or talks particularly catch your eye? Tell us about your experience at the meeting by posting a comment on the blog below.

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