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Photoswitchable fluorescence on/off behavior between cis- and trans-rich azobenzenes

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,20874-20877
DOI: 10.1039/C2JM34776H, CommunicationBo-Kai Tsai, Chien-Hong Chen, Cheng-Hsiang Hung, Vincent K. S. Hsiao, Chih-Chien Chu
We report rapid photoswitchable fluorescence on/off behavior between cis- and trans-rich 4-butyl-4[prime or minute]-methoxyazobenzene and its analogue 4-butyl-2,6-dimethyl-4[prime or minute]-methoxyazobenzene.
The content of this RSS Feed (c) The Royal Society of Chemistry

Sustained delivery of doxorubicin from thermogelling poly(PEG/PPG/PTMC urethane)s for effective eradication of cancer cells

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21249-21256
DOI: 10.1039/C2JM33777K, PaperXian Jun Loh, William Guerin, Sophie M. Guillaume
A series of multiblock poly(ether carbonate urethane)s comprising poly(trimethylene carbonate), poly(ethylene glycol), and poly(propylene glycol) segments with gelation concentrations as low as 2 wt% were studied. The doxorubicin-loaded gels were effective in controlling the growth of HeLa cells demonstrating that the copolymers could be potentially used in chemotherapeutic applications.
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Temperature-responsive porous polycaprolactone-based films via surface-initiated ATRP for protein delivery

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21257-21264
DOI: 10.1039/C2JM34919A, PaperY. Hu, N. N. Zhao, J. S. Li, W. T. Yang, F. J. Xu
The inherent hydroxyl groups on the porous polycaprolactone films could be used to produce a sufficient concentration of surface-coupled ATRP initiators for the surface-initiated ATRP of thermo-responsive NIPAAm at room temperature.
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Biomorphic porous graphitic carbon for electromagnetic interference shielding

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21183-21188
DOI: 10.1039/C2JM34590K, PaperQinglei Liu, Jiajun Gu, Wang Zhang, Yoshinari Miyamoto, Zhixin Chen, Di Zhang
Using plant biomass as raw materials, we prepared biomorphic porous carbon materials with tunable electrical conductivity and EMI shielding capacity.
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Anomalous energy-gap behaviour of armchair BC3 ribbons due to enhanced [small pi]-conjugation

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,20881-20884
DOI: 10.1039/C2JM34881K, CommunicationSudipta Dutta, Katsunori Wakabayashi
The anomalous behavior of band-gap opening upon increase in width of armchair BC3 ribbons shows the significant role of hydrogen passivation.
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Observation of ambipolar field-effect behavior in donor-acceptor conjugated copolymers

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21238-21241
DOI: 10.1039/C2JM34872A, PaperShinuk Cho, Jung Hwa Seo, Gi-Hwan Kim, Jin Young Kim, Han Young Woo
Ambipolar field-effect behavior was derived from general D-A conjugated copolymers, believed to be a typical p-type material, by introducing a functional passivation layer between the gate dielectric layer and the active layer using polypropylene-co-1-butene (PPcB).
The content of this RSS Feed (c) The Royal Society of Chemistry

A material with high electromagnetic radiation shielding effectiveness fabricated using multi-walled carbon nanotubes wrapped with poly(ether sulfone) in a poly(ether ether ketone) matrix

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21232-21237
DOI: 10.1039/C2JM35129C, PaperHongsong Wang, Guibin Wang, Wenlei Li, Qitong Wang, Wei Wei, Zhenhua Jiang, Shuling Zhang
A material with high electromagnetic radiation shielding effectiveness fabricated using MWCNTs wrapped with PES in a PEEK matrix was successfully prepared.
The content of this RSS Feed (c) The Royal Society of Chemistry

Controlled synthesis of Ag2O microcrystals with facet-dependent photocatalytic activities

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21189-21194
DOI: 10.1039/C2JM35010F, PaperGang Wang, Xiangchao Ma, Baibiao Huang, Hefeng Cheng, Zeyan Wang, Jie Zhan, Xiaoyan Qin, Xiaoyang Zhang, Ying Dai
Different morphologies of Ag2O microcrystals were prepared by a facile method. The as-synthesized samples exhibit facet-dependent photocatalytic activities.
The content of this RSS Feed (c) The Royal Society of Chemistry

BiOBr-carbon nitride heterojunctions: synthesis, enhanced activity and photocatalytic mechanism

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21159-21166
DOI: 10.1039/C2JM34778D, PaperJie Fu, Yanlong Tian, Binbin Chang, Fengna Xi, Xiaoping Dong
Novel heterojunctions of BiOBr-C3N4 were fabricated by combining two visible light responsive semiconductors of BiOBr and C3N4, which possessed exceptional photocatalytic activities both under visible and indoor light irradiation.
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Bifunctional effect of reduced graphene oxides to support active metal nanoparticles for oxygen reduction reaction and stability

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21298-21304
DOI: 10.1039/C2JM34290A, PaperDaping He, Kun Cheng, Tao Peng, Xueling Sun, Mu Pan, Shichun Mu
Highly active and stable Pt/reduced graphene oxide (RGO) electrocatalysts for the application of PEM fuel cells can be developed by tuning the O/C atom ratio of RGO supports.
The content of this RSS Feed (c) The Royal Society of Chemistry

Advanced proton conducting membrane for ultra-high rate solid flexible electrochemical capacitors

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21272-21278
DOI: 10.1039/C2JM34840C, PaperHan Gao, Keryn Lian
A novel polymer electrolyte using silicotungstic acid and chemically cross-linked polyvinyl alcohol was characterized for ultra-high rate thin/flexible supercapacitors.
The content of this RSS Feed (c) The Royal Society of Chemistry

A solution-processed yttrium oxide gate insulator for high-performance all-solution-processed fully transparent thin film transistors

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21265-21271
DOI: 10.1039/C2JM34162J, PaperKeunkyu Song, Wooseok Yang, Yangho Jung, Sunho Jeong, Jooho Moon
All-solution-processed fully transparent ZnO thin film transistors on glass substrates were demonstrated for the first time. The resulting device exhibits an exceptionally high field-effect mobility of 135 cm2 V-1 s-1 and an on-off current ratio of 5.7 [times] 107 as well as low-voltage operation.
The content of this RSS Feed (c) The Royal Society of Chemistry

Solvent-infiltration imprint lithography: a novel method to prepare large area poly(3-hexylthiophene) micro/nano-patterns

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21154-21158
DOI: 10.1039/C2JM35086F, PaperJinhe Wang, Guoquan Min, Zhitang Song, Xiuyuan Ni, Weimin Zhou, Jing Zhan, Yanping Zhang, Jianping Zhang, Liyi Shi
A new method, based on solvent-infiltration imprint lithography (SIIL), is developed in this work to fabricate large area poly(3-hexylthiophene) (P3HT) micro/nano-patterns.
The content of this RSS Feed (c) The Royal Society of Chemistry

Amphiphilic hyperbranched copolymers bearing a hyperbranched core and a dendritic shell as novel stabilizers rendering gold nanoparticles with an unprecedentedly long lifetime in the catalytic reduction of 4-nitrophenol

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21173-21182
DOI: 10.1039/C2JM34445A, PaperYi Liu, You Fan, Yuan Yuan, Yu Chen, Fa Cheng, Shi-Chun Jiang
Compared with amphiphilic hyperbranched copolymers with a linear shell, those with a dendritic shell made AuNPs more robust in the catalytic reduction of 4-nitrophenol by NaBH4.
The content of this RSS Feed (c) The Royal Society of Chemistry

Highly luminescent and thermostable lanthanide-carboxylate framework materials with helical configurations

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21210-21217
DOI: 10.1039/C2JM34088G, PaperHuabin Zhang, Liujiang Zhou, Jing Wei, Zhihua Li, Ping Lin, Shaowu Du
Highly luminescent and thermostable lanthanide-carboxylate frameworks with helical configurations were solvo(hydro)thermally synthesized. The terbium compound has highly efficient emission quantum yields of 81.40% at 77 K and 75.37% at RT.
The content of this RSS Feed (c) The Royal Society of Chemistry

Direct grafting of carbon nanotubes with ethylenediamine

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21242-21248
DOI: 10.1039/C2JM33348A, PaperAndrei V. Gromov, Nia Gray, Petra Agota Szilagyi, Eleanor E. B. Campbell
Singlewall and multiwall carbon nanotubes were covalently functionalised with ethylenediamine (EDA) in a simple one-pot process providing a good surface coverage.
The content of this RSS Feed (c) The Royal Society of Chemistry

Dithieno-naphthalimide based copolymers for air-stable field effect transistors: synthesis, characterization and device performance

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21201-21209
DOI: 10.1039/C2JM34251K, PaperGaole Dai, Jingjing Chang, Jishan Wu, Chunyan Chi
A new dithieno-naphthalimide building block was synthesized and three copolymers P1-P3 were prepared and used for OFETs with good air-stability.
The content of this RSS Feed (c) The Royal Society of Chemistry

Effects of gate dielectrics and their solvents on characteristics of solution-processed N-channel polymer field-effect transistors

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21138-21143
DOI: 10.1039/C2JM34218A, PaperKang-Jun Baeg, Antonio Facchetti, Yong-Young Noh
In this study, we investigated the effects of polymer gate dielectrics and their solvents on the characteristics of n-channel top-gate-structured organic field-effect transistors (OFETs) that used poly{[N,N-9-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5,59-(2,29-bithiophene)} (P(NDI2OD-T2)) (ActivInk[trade mark sign] N2200).
The content of this RSS Feed (c) The Royal Society of Chemistry

Morphology controlled synthesis and modification of high-performance LiMnPO4 cathode materials for Li-ion batteries

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,21144-21153
DOI: 10.1039/C2JM30821E, PaperZhihong Qin, Xufeng Zhou, Yonggao Xia, Changlin Tang, Zhaoping Liu
Monodispersed LiMnPO4 nanocrystals with controllable morphology were prepared by a solvothermal method; and the nanocrystals were further modified with graphene, resulting in high performance cathode materials.
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DNA-templated formation of silver nanoclusters as a novel light-scattering sensor for label-free copper ions detection

J. Material Chem. - 19 September, 2012 - 15:54

J. Mater. Chem., 2012, 22,20885-20888
DOI: 10.1039/C2JM35236B, CommunicationGuoliang Liu, Da-Qian Feng, Tianfeng Chen, Dan Li, Wenjie Zheng
A simple label-free approach for the detection of copper ions with high selectivity and sensitivity has been developed by using single-stranded DNA templated formation of silver nanoclusters (DNA-Ag NCs) as a novel light-scattering sensor.
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