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Physics, chemistry and biology of Soft Matter
Contents list for Journal of Materials Chemistry, issue 29, 2010
Graphene-based materials as supercapacitor electrodes
Li Li Zhang, Rui Zhou and X. S. Zhao, J. Mater. Chem., 2010, 20, 5983
This feature highlights recent research progress towards the synthesis, modification and application of graphene-based supercapacitor electrode materials.
One-dimensional single-crystalline Ti–O based nanostructures: properties, synthesis, modifications and applications
Weijia Zhou, Hong Liu, Robert I. Boughton, Guojun Du, Jianjian Lin, Jiyang Wang and Duo Liu, J. Mater. Chem., 2010, 20, 5993
Recent advances in the properties, synthesis, modifications and applications of one-dimensional single-crystalline Ti–O based nanostructures are reviewed. The alkaline hydrothermal synthesis and the modifications with inorganic quantum dots are emphatically discussed in the review.
20th Anniversary Article
Low-temperature synthesis of nanoscale silica multilayers – atomic layer deposition in a test tube
Benjamin Hatton, Vladimir Kitaev, Doug Perovic, Geoff Ozin and Joanna Aizenberg, J. Mater. Chem., 2010, 20, 6009
A low temperature method for the atomic layer deposition (ALD) of silica (SiO2) multilayers, using very inexpensive equipment such as test tubes and a common fumehood, is demonstrated to have good control of layer thickness to a range of 0.2–0.3 nm per exposure cycle.
Single crystal ribbons and transistors of a solution processed sickle-like fused-ring thienoacene
Rongjin Li, Huanli Dong, Xiaowei Zhan, Yudong He, Hongxiang Li and Wenping Hu, J. Mater. Chem., 2010, 20, 6014
A fused-ring thienoacene with sickle-like molecular shape was synthesized and examined in self-assembly and in transistors for the first time.
Mesoporous Fe3C sponges as magnetic supports and as heterogeneous catalyst
Alexander Kraupner, Markus Antonietti, Regina Palkovits, Klaus Schlicht and Cristina Giordano, J. Mater. Chem., 2010, 20, 6019
Fe3C synthesised with a novel mesoporous structure is shown to be an efficient catalyst for NH3 decomposition process (>95% conversion).
Synthesis of ferromagnetic polymer coated nanoparticles on multi-gram scale with tunable particle size
Mathew M. Bull, Woo Jin Chung, Sarah R. Anderson, Su-jeong Kim, In-Bo Shim, Hyun-jong Paik and Jeffrey Pyun, J. Mater. Chem., 2010, 20, 6023
The manuscript describes a facile method to prepare ferromagnetic cobalt nanoparticles with unprecedented control of particle size over a range of 18 to 43 nm in multi-gram quantities per batch.
Chiral norbornane-bridged periodic mesoporous organosilicas
Ting Yan Zhuang, Jiao Yi Shi, Bao Chun Ma and Wei Wang, J. Mater. Chem., 2010, 20, 6026
A highly-ordered chiral norbornane-bridged periodic mesoporous organosilica (PMO) was synthesized via self-condensation of chiral precursor 1, i.e., (1R,2S,4R,5S)-exo,exo-2,5-bis(trimethoxysilyl)bicycle[2,2,1]heptane, and the Al or B atoms were further incorporated into the chiral framework via isomorphous substitution.
A dual mechanism single-component self-healing strategy for polymers
Ling Ming Meng, Yan Chao Yuan, Min Zhi Rong and Ming Qiu Zhang, J. Mater. Chem., 2010, 20, 6030
A single-component healant, microencapsulated bifunctional glycidyl methacrylate (GMA), is proposed for fabricating self-healing epoxy, which introduces two healing mechanisms.
Electrochemical synthesis and characterization of a NdCo5 permanent magnet
A. M. Abdelkader, D. J. S. Hyslop, A. Cox and D. J. Fray, J. Mater. Chem., 2010, 20, 6039
A simple one-step electrochemical process is used to synthesise NdCo5 directly from the corresponding inexpensive metal oxides with highly desirable magnetic properties.
Nitridation from core-shell oxides for tunable luminescence of BaSi2O2N2:Eu2 + LED phosphors
Yunxin Gu, Qinghong Zhang, Yaogang Li and Hongzhi Wang, J. Mater. Chem., 2010, 20, 6050
Rod-like and uniform BaSi2O2N2:Eu powders with tunable luminescence have been synthesized by gas-reduction nitridation from the core-shell oxide (Ba,Eu)CO3@SiO2.
In search of a new design strategy for solid single-component organic ferroelectrics: Polar crystalline phases formed by bent-core molecules
W. Weissflog, G. Pelzl, H. Kresse, U. Baumeister, K. Brand, M. W. Schröder, M. G. Tamba, S. Findeisen-Tandel, U. Kornek, S. Stern, A. Eremin, R. Stannarius and J. Svoboda, J. Mater. Chem., 2010, 20, 6057
Banana-shaped five-ring compounds which do not form liquid crystalline phases are able to show ferroelectric and/or pyroelectric behaviour in different solid modifications.
Approaches to gel electrolytes in dye-sensitized solar cells using pyridinium molten salts
Cheng-Hsien Yang, Wen-Yueh Ho, Hao-Hsun Yang and Mao-Lin Hsueh, J. Mater. Chem., 2010, 20, 6080
A series of pyridinium molten salts were found to plasticize the liquid phase electrolyte in DSSCs, without addition of nano-particles, small molecules, oligomers or polymer plasticizers. An impressively high diffusion constant (DI3-) of 28.5 × 10-6 cm2 s-1 and conductivity () of 4.30 mS cm-1 were observed for this gel electrolyte.
Fabrication of oriented polyaniline nanostructures using block copolymer nanotemplates and their optical, electrochemical and electric properties
Biplab K. Kuila and Manfred Stamm, J. Mater. Chem., 2010, 20, 6086
Arrays of oriented polyaniline nanostructures of different morphologies from nanorods to nanopins are fabricated using block copolymer nanotemplate as scaffold material.
Hierarchical nanostructures of CdIn2S4via hydrothermal and microwave methods: efficient solar-light-driven photocatalysts
Sanjay K. Apte, Sunil N. Garaje, Rohini D. Bolade, Jalindar D. Ambekar, Milind V. Kulkarni, Sonali D. Naik, Suresh W. Gosavi, Jin Ook Baeg and Bharat B. Kale, J. Mater. Chem., 2010, 20, 6095
Unique morphologies of CdIn2S4, including nanostructured marigold flowers, nanotubes and nanopyramids, have been demonstrated using facile hydrothermal and microwave methods.
New aggregation-induced emission enhancement materials combined triarylamine and dicarbazolyl triphenylethylene moieties
Haiyin Li, Zhenguo Chi, Bingjia Xu, Xiqi Zhang, Zhiyong Yang, Xiaofang Li, Siwei Liu, Yi Zhang and Jiarui Xu, J. Mater. Chem., 2010, 20, 6103
New compounds containing triarylamine and dicarbazolyl triphenylethylene moieties with high thermal stability and aggregation-induced emission enhancement properties were synthesized.
Synthesis and luminescent characteristics of europium dopants in SiO2/Gd2O3 core/shell scintillating nanoparticles
Teng-Kuan Tseng, Jihun Choi, Mark Davidson and Paul H. Holloway, J. Mater. Chem., 2010, 20, 6111
The effects of the surface shell of SiO2/Gd2O3 core/shell scintillating nanoparticles, where either the core or the shell was doped with Eu3+, upon energy transfer and the density of surface quenching sites were determined.
Controlled synthesis of PbS nanoparticles and the deposition of thin films by Aerosol-Assisted Chemical Vapour Deposition (AACVD)
Javeed Akhtar, Mohammad Azad Malik, Paul O'Brien and Madeleine Helliwell, J. Mater. Chem., 2010, 20, 6116
A series of symmetrical and unsymmetrical N,N-dialkyldithiocarbamatolead(II) complexes have been used for the deposition of PbS nanoparticles and thin films.
Rapid and substrate-independent layer-by-layer fabrication of antireflection- and antifogging-integrated coatings
Ling Zhang, Zhen-An Qiao, Miao Zheng, Qisheng Huo and Junqi Sun, J. Mater. Chem., 2010, 20, 6125
A facile, rapid and substrate-independent method has been developed for the fabrication of antireflection and antifogging coatings on various kinds of substrates by layer-by-layer deposition of mesoporous silica nanoparticles.
Novel star-shaped host materials for highly efficient solution-processed phosphorescent organic light-emitting diodes
Wei Jiang, Lian Duan, Juan Qiao, Deqiang Zhang, Guifang Dong, Liduo Wang and Yong Qiu, J. Mater. Chem., 2010, 20, 6131
The performance of DQC- and PTC-based devices is far superior to those of the corresponding mCP-based devices, which is outstanding for a solution-processed blue phosphorescent OLED.
High thermoelectric figure of merit and nanostructuring in bulk AgSbTe2
Jingjing Xu, Han Li, Baoli Du, Xinfeng Tang, Qingjie Zhang and Ctirad Uher, J. Mater. Chem., 2010, 20, 6138
High performance p-type AgSbTe2 bulk materials with in situ forming nanostructure have been prepared by combining sonochemical method and spark plasma sintering for the first time.
An injectable paste of calcium phosphate nanorods, functionalized with nucleic acids, for cell transfection and gene silencing
J. Klesing, S. Chernousova, A. Kovtun, S. Neumann, L. Ruiz, J. M. Gonzalez-Calbet, M. Vallet-Regi, R. Heumann and M. Epple, J. Mater. Chem., 2010, 20, 6144
An injectable paste of calcium phosphate nanorods, functionalized with either DNA or siRNA, permits a genetic manipulation of surrounding tissue.
Tri-functionalization of mesoporous silica nanoparticles for comprehensive cancer theranostics—the trio of imaging, targeting and therapy
Shih-Hsun Cheng, Chia-Hung Lee, Meng-Chi Chen, Jeffrey S. Souris, Fan-Gang Tseng, Chung-Shi Yang, Chung-Yuan Mou, Chin-Tu Chen and Leu-Wei Lo, J. Mater. Chem., 2010, 20, 6149
Tri-functionalization of mesoporous silica nanoparticles (MSNs) orchestrates near-infrared fluorescence imaging and targeted photodynamic therapy for cancer theranostics.
Hyperthermia controlled rapid drug release from thermosensitive magnetic microgels
Rajesh Regmi, Shanta Raj Bhattarai, Chandran Sudakar, Amit S. Wani, Robert Cunningham, Prem P. Vaishnava, Ratna Naik, David Oupicky and Gavin Lawes, J. Mater. Chem., 2010, 20, 6158
The rapid release of anti-cancer drugs can be triggered by an alternating external magnetic field when magnetic nanoparticles are introduced to thermosensitive polymers.
The supercapacitance of the nickel oxalate structures, which are obtained by the immersion of nickel foils in organic solvents containing oxalic acid, is superior to that of the nickel oxide structures, which are produced by the annealing of the nickel oxalate structures.
Influence of the sensitizer reduction potential on the sensitivity of photorefractive polymer composites
Sebastian Köber, Francisco Gallego-Gomez, Michael Salvador, Floris B. Kooistra, Jan C. Hummelen, Karina Aleman, Svetlana Mansurova and Klaus Meerholz, J. Mater. Chem., 2010, 20, 6170
We demonstrate a direct correlation between the electron accepting capability of the sensitizer and the holographic response time of a series of near infrared-sensitive photorefractive polymer composites.
Gold nanoparticles: dispersibility in biological media and cell-biological effect
Dirk Mahl, Christina Greulich, Wolfgang Meyer-Zaika, Manfred Köller and Matthias Epple, J. Mater. Chem., 2010, 20, 6176
Gold nanoparticles are often used in biomedicine, but their biological action depends on their dispersability. In the presence of salts, they aggregate, but if proteins are added, they remain dispersed.
Uniform fluorescent photonic crystal supraballs generated from nanocrystal-loaded hydrogel microspheres
Ziyi Yu, Li Chen and Su Chen, J. Mater. Chem., 2010, 20, 6182
Uniform fluorescent photonic crystal supraballs opens a facile way to realize the combination of electronic confinement and photonic bandgap.
Inverted organic solar cells with ITO electrodes modified with an ultrathin Al2O3 buffer layer deposited by atomic layer deposition
Yinhua Zhou, Hyeunseok Cheun, Willliam J. Potscavage, Jr, Canek Fuentes-Hernandez, Sung-Jin Kim and Bernard Kippelen, J. Mater. Chem., 2010, 20, 6189
Inverted solar cells were demonstrated with an ultrathin Al2O3 buffer layer. The efficiency was enhanced considerably after UV exposure.