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Contents list for Journal of Materials Chemistry, issue 40, 2008
Front cover
J. Mater. Chem., 2008, 18, 4733
DOI: 10.1039/b815132f
Inside front cover
J. Mater. Chem., 2008, 18, 4734
DOI: 10.1039/b816216f
Contents
J. Mater. Chem., 2008, 18, 4735
DOI: 10.1039/b816672m
Highlight
Chiral nanoscale building blocks—from understanding to applications
Vladimir Kitaev,
J. Mater. Chem., 2008, 18, 4745
DOI: 10.1039/b808054b
Chiral nano-building blocks are discussed from a perspective of imprinting chirality onto the nanoscale and applying this knowledge to emerging functional applications such as enantioselective catalysis, sensing and chirooptical devices.
Feature Article
Single chain magnets: where to from here?
Lapo Bogani, Alessandro Vindigni, Roberta Sessoli and Dante Gatteschi,
J. Mater. Chem., 2008, 18, 4750
DOI: 10.1039/b807824f
Single chain magnets display a magnetic hysteresis evoking the behaviour of single-molecule magnets but the fundamental differences in the physics of the phenomenon offer perspectives that, at present, are largely unexplored.
Communication
Functionalized carbon nanotubes for pH sensors based on SERS
Liping Zhao, Yoshitaka Shingaya, Hiroyuki Tomimoto, Qing Huang and Tomonobu Nakayama,
J. Mater. Chem., 2008, 18, 4759
DOI: 10.1039/b809833f
A pH sensor has been developed by realizing bimetallic-nanoparticle-decorated carbon nanotubes (CNTs); a single CNT is capable of measuring pH in its local vicinity continuously over the range of 5.6 to 8.2 pH units.
Papers
A dual-functional monomer having an epoxy and methacrylate group for holographic recording
Jeonghun Kim, Hyunjin Oh and Eunkyoung Kim,
J. Mater. Chem., 2008, 18, 4762
DOI: 10.1039/b809275c
Photopolymer films containing a dual functional monomer, 2-(oxiranylmethoxy)ethyl 2-methyl-2-propenoate (OEMP), were explored for holographic recording media.
Laser flash photolysis with nanoliter samples: photonic crystal fibers as ultrasmall smart test tubes
Altaf Khetani, Marie Laferrière, Hanan Anis and J. C. Scaiano,
J. Mater. Chem., 2008, 18, 4769
DOI: 10.1039/b804697b
Photonic crystal fibers have been employed as sample containers and light-coupling devices for laser flash photolysis, achieving exceptional sensitivity with nanoliter samples.
Synthesis of (Hf, Zr)B2-based heterostructures: hybrid substrate systems for low temperature Al–Ga–N integration with Si
John Kouvetakis, Yu Jing An, Vijay R. D'Costa, John Tolle, Andrew V. G. Chizmeshya, José Menéndez and Radek Roucka,
J. Mater. Chem., 2008, 18, 4775
DOI: 10.1039/b807097k
A hybrid substrate technology based on HfxZr1-xB2-buffered Si(111) was synthesized and utilized to grow AlxGa1-xN heterostructures via displacement reactions of D2GaN3 vapors and Al atoms at unprecedented low temperature (650–700 °C) conditions compatible with Si CMOS processing.
Mesoporous dendrimer silica monoliths studied by small-angle X-ray scattering
Manuel Weinberger, Stephan Puchegger, Christian Rentenberger, Michael Puchberger, Nicola Hüsing and Herwig Peterlik,
J. Mater. Chem., 2008, 18, 4783
DOI: 10.1039/b806931j
Mesoporous monolithic dendrimer silica materials were synthesized by sol–gel processing of a novel ethylene glycol-modified carbosilane dendrimer and characterized in detail by SAXS.
Porous silicon as an agent for cancer thermotherapy based on near-infrared light irradiation
Chongmu Lee, Hohyeong Kim, Chanseok Hong, Mina Kim, S. S. Hong, D. H. Lee and Wan In Lee,
J. Mater. Chem., 2008, 18, 4790
DOI: 10.1039/b808500e
Thermotherapy based on porous silicon (PSi) in combination with NIR light is an efficient technique to destroy cancer cells selectively. The temperature of the PSi/NaCl suspension can be elevated to 76 °C after 20 min NIR radiation at 300 mW cm-2, while that of a control is elevated to 39 °C.
Preparation of high quality nanowires by tobacco mosaic virus templating of gold nanoparticles
Keith M. Bromley, Avinash J. Patil, Adam W. Perriman, Gerald Stubbs and Stephen Mann,
J. Mater. Chem., 2008, 18, 4796
DOI: 10.1039/b809585j
A new protocol for the high-yield preparation of stable colloidal suspensions of tobacco mosaic virus/gold nanoparticle constructs that exhibit uniform metallization, monodispersity in nanoparticle size and controlled inter-particle spacings is reported.
Cruciform DPVBi: synthesis, morphology, optical and electroluminescent properties
Suijun Liu, Feng He, Huan Wang, Hai Xu, Chunyu Wang, Feng Li and Yuguang Ma,
J. Mater. Chem., 2008, 18, 4802
DOI: 10.1039/b807266c
2,5,2
,5-Tetrakis(2,2-diphenylvinyl)biphenyl (TDPVBi) has been synthesized. TDPVBi exhibits high solid photoluminescence efficiency (80%), high glass transition temperature (Tg = 110 °C). The high performance non-doped blue organic light-emitting device based on TDPVBi shows the CIE coordinates, turn-on voltage, maximum efficiency and maximum luminance of (0.16, 0.21), 3.8 V, 6.2 cd A-1 and 31
170 cd m-2, respectively.
One-pot rapid low-cost synthesis of Pd-fullerite catalysts
Lok Cee Chong, Vlad Stolojan, Gabriele Wagner, S. Ravi P. Silva and Richard J. Curry,
J. Mater. Chem., 2008, 18, 4808
DOI: 10.1039/b807963c
Palladium-functionalised C60 fullerite nanostructures are demonstrated and shown to act as a catalyst for hydrogenation using significantly reduced quantities of Pd precursor materials.
6H-Pyrrolo[3,2-b:4,5-b]bis[1,4]benzothiazines: facilely synthesized semiconductors for organic field-effect transistors
Wei Hong, Zhongming Wei, Hongxia Xi, Wei Xu, Wenping Hu, Quanrui Wang and Daoben Zhu,
J. Mater. Chem., 2008, 18, 4814
DOI: 10.1039/b809486a
An analogue of pentacene containing sulfur and nitrogen atoms, compound 1, displays promising properties as active material for organic field-effect transistors.
Silver/polymer nanocomposite as a high-k polymer matrix for dielectric composites with improved dielectric performance
Jiongxin Lu, Kyoung-Sik Moon and C. P. Wong,
J. Mater. Chem., 2008, 18, 4821
DOI: 10.1039/b807566b
High dielectric constant (k) and low dielectric loss polymer composite was achieved by a high-k polymer matrix formed via in-situ photochemical synthesis combined with self-passivated particles.
Effect of MgAl-layered double hydroxide exchanged with linear alkyl carboxylates on fire-retardancy of PMMA and PS
Calistor Nyambo, Ponusa Songtipya, E. Manias, Maria M. Jimenez-Gasco and Charles A. Wilkie,
J. Mater. Chem., 2008, 18, 4827
DOI: 10.1039/b806531d
A series of layered double hydroxides obtained from anion exchange with linear alkyl carboxylates have been used to prepare PS/PMMA nanocomposites. The nanocomposites showed enhanced thermal stability and improved fire properties of the nanocomposites with cone calorimetry.
Immobilization of yeast and bacteria cells in alginate microbeads coated with silica membranes: procedures, physico-chemical features and bioactivity
Emanuela Callone, Renzo Campostrini, Giovanni Carturan, Agostino Cavazza and Raffaele Guzzon,
J. Mater. Chem., 2008, 18, 4839
DOI: 10.1039/b807301e
Saccharomyces cerevisiae and Oenococcus oeni cells were entrapped in a hybrid alginate/silica matrix to perform oenological fermentations. The silica gel layer was obtained by two-step sol–gel treatment of Ca alginate microbeads, allowing high cell retention and bioactivity.
Enhancements in intensity and stability of surface-enhanced Raman scattering on optimally electrochemically roughened silver substrates
Kuang-Hsuan Yang, Yu-Chuan Liu and Chung-Chin Yu,
J. Mater. Chem., 2008, 18, 4849
DOI: 10.1039/b808516a
By varying the conditions used to electrochemically roughen silver substrates, we were able to increase the surface-enhanced Raman scattering intensity of adsorbed Rhodamine 6G 9-fold compared to the literature.
Transistor performance of a 
push-pull
, 
-stacked bithiazole-ethylenedioxythiophene co-oligomer
Hyunsik Moon, Woong Sang Jahng and M. David Curtis,
J. Mater. Chem., 2008, 18, 4856
DOI: 10.1039/b807405d
An experimental/theoretical study of the hole mobility in single crystals of a push-pull bithiazole-EDOT co-oligomer suggests that charge confinement is a possible strategy for achieving high mobility.
Carborane-based derivatives of delocalised lipophilic cations for boron neutron capture therapy: synthesis and preliminary in vitro evaluation
Gianpiero Calabrese, Ana C. N. M. Gomes, Eugen Barbu, Thomas G. Nevell and John Tsibouklis,
J. Mater. Chem., 2008, 18, 4864
DOI: 10.1039/b806197a
Structures combining carborane cages and delocalized lipophilic cations appear to be useful candidates for application in the boron neutron capture therapy of cancer.
High-performance TNT chemosensory materials based on nanocomposites with bimodal porous structures
Shengyang Tao, Jinxiang Yin and Guangtao Li,
J. Mater. Chem., 2008, 18, 4872
DOI: 10.1039/b802486c
Nanocomposite silica films with a bimodal porous structure were prepared as high-performance sensory materials for explosives detection. The porous chemosensor showed a reversible, rapid and sensitive response for the detection of trace amounts of TNT vapour (10 ppb). This explored method should be a promising alternative to other developed explosives detection methods.
Back cover
J. Mater. Chem., 2008, 18, 4879
DOI: 10.1039/b816673k
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