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Contents list for Journal of Materials Chemistry, issue 14, 2009
Front cover
J. Mater. Chem., 2009, 19, 1925
DOI: 10.1039/b904918p
Inside front cover
J. Mater. Chem., 2009, 19, 1926
DOI: 10.1039/b904919n
Contents
J. Mater. Chem., 2009, 19, 1927
DOI: 10.1039/b904920g
Highlight
Mesoporous transition metal oxides: characterization and applications in heterogeneous catalysis
Yuxiang Rao and David M. Antonelli,
J. Mater. Chem., 2009, 19, 1937
DOI: 10.1039/b813533a
This highlight article describes new advances in amine templated mesoporous transition metal oxides (Ti, Nb and Ta) materials and their potential catalytic applications in areas such as dinitrogen activation, benzylation, alkylation, and isomerization.
Feature Article
Functionalized periodic mesoporous organosilicas for catalysis
Qihua Yang, Jian Liu, Lei Zhang and Can Li,
J. Mater. Chem., 2009, 19, 1945
DOI: 10.1039/b815012e
This Feature Article provides a comprehensive overview of recent advances in applications of functionalized periodic mesoporous organosilicas (PMOs), one of most advanced organic–inorganic hybrid materials, in catalysis.
Communications
Colour-tunable spiral photonic actuators
Kwang-Un Jeong, Ji-Hyun Jang, Cheong Yang Koh, Matthew J. Graham, Kwang-Yong Jin, Soo-Jin Park, Changwoon Nah, Myong-Hoon Lee, Stephen Z. D. Cheng and Edwin L. Thomas,
J. Mater. Chem., 2009, 19, 1956
DOI: 10.1039/b822980p
Combining the multi-faceted environmental responsiveness of polymers with photonically active structures, we developed spiral photonic actuators which can reversibly change both shape and colour in response to the chemical environment.
Oxidation states of the transition metal cations in the highly nonstoichiometric perovskite-type oxide Ba0.1Sr0.9Co0.8Fe0.2O3-
David N. Mueller, Roger A. De Souza, Jochen Brendt, Dominik Samuelis and Manfred Martin,
J. Mater. Chem., 2009, 19, 1960
DOI: 10.1039/b819415g
A simple model of the electronic band structure proposed to explain the complex behaviour of BSCF upon oxygen reduction.
Facile patterning of assembled silica nanoparticles with a closely packed arrangement through guided growth
Yusuke Yamauchi, Junko Imasu, Yoshiyuki Kuroda, Kazuyuki Kuroda and Yoshio Sakka,
J. Mater. Chem., 2009, 19, 1964
DOI: 10.1039/b822978n
A facile patterning of assembled silica nanoparticles with a closely packed arrangement is demonstrated over a wide area through a guided growth approach utilizing a micro-mold.
Papers
An improved injectable polysaccharide hydrogel: modified gellan gum for long-term cartilage regeneration in vitro
Yihong Gong, Chunming Wang, Ruenn Chai Lai, Kai Su, Feng Zhang and Dong-an Wang,
J. Mater. Chem., 2009, 19, 1968
DOI: 10.1039/b818090c
Gellan gum, a biocompatible polysaccharide hydrogel, was modified for encapsulating chondrocytes in physiological conditions. The injectable gel is able to enhance long-term cell viability and tissue regeneration.
Synthesis and mesomorphic properties of new V-shaped shape-persistent nematogens containing a thiazole or a thiadiazole bending unit
Matthias Lehmann, Jens Seltmann, Alexander A. Auer, Eric Prochnow and Udo Benedikt,
J. Mater. Chem., 2009, 19, 1978
DOI: 10.1039/b818240j
Two series of new V-shaped molecules, containing a central thiazole or thiadiazole bending unit have been synthesised. Molecular engineering results in materials that exhibit exclusively nematic liquid crystal phases.
A general route for the convenient synthesis of crystalline hexagonal boron nitride micromesh at mild temperature
Liancheng Wang, Liqiang Xu, Changhui Sun and Yitai Qian,
J. Mater. Chem., 2009, 19, 1989
DOI: 10.1039/b817481d
A general one-pot route for the convenient synthesis of h-BN micromesh of high crystallinity and high yield is reported. These micromeshes were formed via an oriented aggregation process, and were found have a near-band edge emission at 217 nm.
Dual functioned BiOF-coated Li[Li0.1Al0.05Mn1.85]O4 for lithium batteries
Ki-Soo Lee, Seung-Taek Myung, Khalil Amine, Hitoshi Yashiro and Yang-Kook Sun,
J. Mater. Chem., 2009, 19, 1995
DOI: 10.1039/b819224c
In the present paper, we have tried to understand the role of the BiOF coating layer and why such coatings resulted in better battery performances, using BiOF-coated Li[Li0.1Al0.05Mn1.85]O4.
Localized surface plasmon resonance coupling in Au nanoparticles/phosphorus dendrimer multilayer thin films fabricated by layer-by-layer self-assembly method
Wen Bo Zhao, Jeongju Park, Anne-Marie Caminade, Seong-Jun Jeong, Yoon Hee Jang, Sang Ouk Kim, Jean-Pierre Majoral, Jinhan Cho and Dong Ha Kim,
J. Mater. Chem., 2009, 19, 2006
DOI: 10.1039/b814116a
LSPR coupling behaviour in multilayers of gold nanoparticles (AuNPs) and phosphorus dendrimers is discussed, where marked blue or red shifts were observed from the LSPR band upon controlled coupling between adjacent AuNPs.
Novel mesoporous silica spheres with ultra-large pore sizes and their application in protein separation
Lihua Chen, Guangshan Zhu, Daliang Zhang, Hang Zhao, Mingyi Guo, Wei Shi and Shilun Qiu,
J. Mater. Chem., 2009, 19, 2013
DOI: 10.1039/b818740a
Mesoporous silica materials with ultra-large pores (20 to 40 nm in diameter) and an interconnected channel structure show efficient performance of size selective adsorption of biomacromolecules.
Preparation of polystyrene fluorescent microspheres based on some fluorescent labels
Qing-Hao Liu, Jia Liu, Jin-Chun Guo, Xi-Long Yan, Dong-Hua Wang, Lei Chen, Fan-Yong Yan and Li-Gong Chen,
J. Mater. Chem., 2009, 19, 2018
DOI: 10.1039/b816963b
Several fluorescent microspheres with good dispersion and stable and high fluorescence intensity were prepared by dispersion copolymerization and functionalized with amino groups.
Self-assembly of palladium nanoparticles: synthesis of nanobelts, nanoplates and nanotrees using vitamin B1, and their application in carbon–carbon coupling reactions
Mallikarjuna N. Nadagouda, Vivek Polshettiwar and Rajender S. Varma,
J. Mater. Chem., 2009, 19, 2026
DOI: 10.1039/b817112b
An environmentally friendly one-step method to synthesize palladium nanobelts, nanoplates, and nanotrees using vitamin B1 without using any special capping agents at room temperature and their application in C–C coupling reactions is described.
Prediction of half-metallic conductivity in Prussian Blue derivatives
Jacek C. Wojde
, Ibério de P. R. Moreira, Stefan T. Bromley and Francesc Illas,
J. Mater. Chem., 2009, 19, 2032
DOI: 10.1039/b813788a
Half-metallicity and spin-crossover are predicted for some Prussian Blue analogues
Ionic self-assembled solid-like vesicles and their temperature-induced transformation
Bo Jing, Xiao Chen, Yurong Zhao, Xudong Wang, Fumin Ma and Xiu Yue,
J. Mater. Chem., 2009, 19, 2037
DOI: 10.1039/b818006g
Stable solid-like vesicles were prepared via ISA through complexation 1-naphthylammonium chloride and sodium deoxycholate, which could entrap hydrophilic quantum dots to exhibit fluorescence images and transform into nanobelts with increased temperature.
Substantial emission of NH3 during thermal decomposition of sodium amidoborane, NaNH2BH3
Karol J. Fijakowski and Wojciech Grochala,
J. Mater. Chem., 2009, 19, 2043
DOI: 10.1039/b813773k
Sodium amidoborane (SAB, NaNH2BH3) is found to emit large quantities of ammonia and hydrogen during its thermal decomposition at 90 °C.
Self-assembled gold nanoparticle monolayers in sol–gel matrices: synthesis and gas sensing applications
Dario Buso, Lauren Palmer, Valentina Bello, Giovanni Mattei, Michael Post, Paul Mulvaney and Alessandro Martucci,
J. Mater. Chem., 2009, 19, 2051
DOI: 10.1039/b817668j
Au nanocrystal monolayers coated with SiO2 or NiO sol–gel films have been synthesized. The Au–NiO composite layer showed optical CO gas sensing properties.
Bi2S3–BaTiO3/PVDF three-phase composites with high dielectric permittivity
Yuan Deng, Yanjing Zhang, Yan Xiang, Guangsheng Wang and Huibin Xu,
J. Mater. Chem., 2009, 19, 2058
DOI: 10.1039/b812652f
Novel three-phase percolative composites, with a ferroelectric phase (BaTiO3) and semiconductor Bi2S3 nanorods dispersed in a PVDF matrix, are promising dielectric composites with high dielectric constants and low inorganic filler contents.
Chiral silicate zeolites
Chaim Dryzun, Yitzhak Mastai, Ayelet Shvalb and David Avnir,
J. Mater. Chem., 2009, 19, 2062
DOI: 10.1039/b817497k
Chiral silicate zeolites have been considered very rare; here are 20(!) of these 
holy grail
crystalline porous materials. For two of the zeolites, the ability to enantioselect on a molecular level is shown.
Self-assembled titania–silica–sepiolite based nanocomposites for water decontamination
Marina Nieto-Suárez, Giovanni Palmisano, María Luisa Ferrer, María Concepción Gutiérrez, Sedat Yurdakal, Vincenzo Augugliaro, Mario Pagliaro and Francisco del Monte,
J. Mater. Chem., 2009, 19, 2070
DOI: 10.1039/b813864h
The integration of different species into a hierarchical structure provided multifunctional materials capable of pollutant removal from aqueous media (via adsorption on sepiolite) and subsequent elimination by UV irradiation (via photocatalytic oxidation on TiO2 nanoparticles).
Three-dimensional cubic (Im3m) periodic mesoporous organosilicas with benzene- and thiophene-bridging groups
Eun-Bum Cho, Dukjoon Kim, Joanna Górka and Mietek Jaroniec,
J. Mater. Chem., 2009, 19, 2076
DOI: 10.1039/b817967k
Three-dimensional cubic mesostructured benzene- and thiophene-silicas with Im3m symmetry were synthesized using 1,4-bis(triethoxysilyl)benzene and 2,5-bis(triethoxysilyl)thiophene in the presence of Pluronic F127 triblock copolymer template.
Resistance switching memory devices constructed on plastic with solution-processed titanium oxide
Junggwon Yun, Kyoungah Cho, Byoungjun Park, Bae Ho Park and Sangsig Kim,
J. Mater. Chem., 2009, 19, 2082
DOI: 10.1039/b817062b
Excellent bi-stable resistance switching characteristics were observed for our flexible TiO2 RRAMs under various conditions of substrate.
Back matter
J. Mater. Chem., 2009, 19, 2086
DOI: 10.1039/b904922n
Back cover
J. Mater. Chem., 2009, 19, 2087
DOI: 10.1039/b904923c
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