Royal Society of Chemistry

Size controlled synthesis of monodisperse PbTe quantum dots: using oleylamine as the capping ligand

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23593-23601
DOI: 10.1039/C2JM15540K, PaperYi Pan, Hanying Bai, Liang Pan, Yadi Li, Maria C. Tamargo, Mohammad Sohel, John R. Lombardi
Air-stable PbTe quantum dots capped with oleylamine (OLA) can be synthesized using a simple PbCl2-OLA system with TOPTe.
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Synergistic enhancement of photovoltaic performance of TiO2 photoanodes by incorporation of Dawson-type polyoxometalate and gold nanoparticles

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23627-23632
DOI: 10.1039/C2JM35314H, PaperLihao Wang, Lin Xu, Zhongcheng Mu, Chungang Wang, Zhixia Sun
The photovoltaic performance of TiO2 photoanodes is synergistically enhanced by incorporation of polyoxometalate P2W18 and gold nanoparticles.
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Platinum-Cobalt alloy networks for methanol oxidation electrocatalysis

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23659-23667
DOI: 10.1039/C2JM35649J, PaperJiangfeng Xu, Xinyu Liu, Yu Chen, Yiming Zhou, Tianhong Lu, Yawen Tang
The 3D platinum-cobalt alloy networks nanostructures prepared via cyanogel-reduction method exhibit superior specific activity and stability for the methanol oxidation reaction.
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Dual length-scale nanotip arrays with controllable morphological features for highly sensitive SERS applications

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23650-23654
DOI: 10.1039/C2JM34470J, PaperHwan Chul Jeon, Sung-Gyu Park, Soojeong Cho, Seung-Man Yang
We demonstrated a facile method for the fabrication of hexagonally ordered nanotip arrays with controllable sharpness, shape, and roughness over a large area for SERS applications through a combination of prism holographic lithography, reactive ion etching, and electron-beam evaporation.
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Gd(III)-doped carbon dots as a dual fluorescent-MRI probe

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23327-23330
DOI: 10.1039/C2JM35592B, CommunicationAthanasios B. Bourlinos, Aristides Bakandritsos, Antonios Kouloumpis, Dimitrios Gournis, Marta Krysmann, Emmanuel P. Giannelis, Katerina Polakova, Klara Safarova, Katerina Hola, Radek Zboril
Gd(III)-doped carbon dots with a quasi-spherical shape and size 3 nm have been obtained by mild thermal treatment of a molecular precursor made of an organic salt and gadolinium(III) complex. The metal-containing carbon dots are water-dispersible, display dual fluorescence-MRI modalities and show low cytotoxicity.
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Managing wetting behavior and collection efficiency in photoelectrochemical devices based on water electrolytes; improvement in efficiency of water/iodide dye sensitised cells to 4%

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23387-23394
DOI: 10.1039/C2JM35245A, PaperChunHung Law, Omar Moudam, Silvia Villarroya-Lidon, Brian O'Regan
By management of wetting and iodine concentration we have fabricated 100% water electrolyte cells with 4% energy efficiency under 1-sun illumination.
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Fingerprinting photoluminescence of functional groups in graphene oxide

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23374-23379
DOI: 10.1039/C2JM35417A, PaperMing Li, Scott K. Cushing, Xuejiao Zhou, Shouwu Guo, Nianqiang Wu
Chemically modified graphene oxide (GO) sheets exhibit "fingerprinting" photoluminescence (PL), which originates from the [sigma]* [rightward arrow] n, [small pi]* [rightward arrow] [small pi] and [small pi]* [rightward arrow] n electronic transitions between the antibonding and the bonding molecular orbitals. These three PL peaks exhibit a red-shift with an increase in the excitation wavelength.
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Fabrication of two-dimensional hybrid sheets by decorating insulating PANI on reduced graphene oxide for polymer nanocomposites with low dielectric loss and high dielectric constant

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23477-23484
DOI: 10.1039/C2JM34683D, PaperMi Li, Xingyi Huang, Chao Wu, Haiping Xu, Pingkai Jiang, Toshikatsu Tanaka
A hybrid-filler of reduced polyaniline decorated reduced graphene oxide for polymer composites with high dielectric constant and low loss was prepared.
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Strongly adhesive and flexible transparent silver nanowire conductive films fabricated with a high-intensity pulsed light technique

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23561-23567
DOI: 10.1039/C2JM35545K, PaperJinting Jiu, Masaya Nogi, Tohru Sugahara, Takehiro Tokuno, Teppei Araki, Natsuki Komoda, Katsuaki Suganuma, Hiroshi Uchida, Kenji Shinozaki
High transparent conductive AgNW films with strong adhesion on substrates have been fabricated by light sinter with only 50 [small mu ]s exposure time.
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Evaluation of GO/MnO2 composites as supercapacitors in neutral electrolytes: role of graphite oxide oxidation level

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23525-23533
DOI: 10.1039/C2JM34294D, PaperMykola Seredych, Teresa J. Bandosz
Formation of the composite containing 10 wt% of mildly oxidized GO and 90% MnO2 results in an improvement in the capacitance (18 times in Li2SO4 and 60 times in Na2SO4) as compared to that measured on MnO2. Addition of highly oxidized GO is not favorable owing to the defects in the layers that limit conductivity and charge propagation.
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Star-shaped hexakis(9,9-dihexyl-9H-fluoren-2-yl)benzene end-capped with carbazole and diphenylamine units: solution-processable, high Tg hole-transporting materials for organic light-emitting devices

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23485-23491
DOI: 10.1039/C2JM35618J, PaperYang Zou, Tengling Ye, Dongge Ma, Jingui Qin, Chuluo Yang
New star-shaped HFB-cored molecules end-capped with diphenylamine and carbazole units were synthesized. Alq3-based green OLED devices using these materials as hole-transporting layers by a solution process exhibited a maximum current efficiency of 6.2 cd A-1.
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Novel selective adsorbent derived from hierarchical rockery-like MCM-41 monolith

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23633-23641
DOI: 10.1039/C2JM35226E, PaperYu Zhou, Wei Gang Lin, Mi Mi Wan, Jing Yang, Jian Hua Zhu
Owing to their rockery-like structure and suitable macropores, these mesoporous monoliths can selectively trap TSNA and exclude interference of particles in tobacco smoke.
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Anisotropic nanocrystal arrays organized on protein lattices formed by recombinant clathrin fragments

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23335-23339
DOI: 10.1039/C2JM35019J, CommunicationNancy Hom, Kinjal R. Mehta, Tsengming Chou, Amy B. Foraker, Frances M. Brodsky, Kent Kirshenbaum, Jin Kim Montclare
A recombinant clathrin protein fragment bearing an oligohistidine tag forms assemblies that template gold nanocrystals in an anisotropic array across the latticed surface.
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Strong interactions and charge transfers between a charged benzene molecule and multilayer graphenes

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23380-23386
DOI: 10.1039/C2JM35634A, PaperSonam Wangmo, Ruixia Song, Li Wang, Wuwei Jin, Dajun Ding, Zhigang Wang, Rui-Qin Zhang
The interactions between a benzene molecule and multilayer graphenes have been studied using a density-functional tight-binding method. Analysis of structural characteristics uncovers remarkable charge transfer resulted from a strong interaction between the ionic benzene and neutral multilayer graphene with a clear interesting trend of charge accumulation at the surface region.
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Environmentally friendly light-driven synthesis of Ag nanoparticles in situ grown on magnetically separable biohydrogels as highly active and recyclable catalysts for 4-nitrophenol reduction

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23447-23453
DOI: 10.1039/C2JM35616C, PaperLunhong Ai, Haitao Yue, Jing Jiang
The catalytically active Ag NPs in situ grown on magnetically separable AMH hydrogels can be prepared by a facile, scalable and environmentally friendly route. The Ag NPs exhibited remarkable and durable activity for the catalytic reduction of 4-nitrophenol to 4-aminophenol by NaBH4 in aqueous solution.
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Printable electronics-compatible silicon nanoparticles prepared by the facile decomposition of SiS2 and their application in a back-to-back Schottky diode

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23553-23560
DOI: 10.1039/C2JM35349K, PaperPriyesh V. More, Sunho Jeong, Ji-Yoon Lee, Yeong-Hui Seo, Beyong-Hwan Ryu, Youngmin Choi
Synthesis of silicon nanoparticles from silicon sulfide, preparation of inks, and back-to-back Schottky diode fabrication.
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Novel ZnII complexes of 2-(2-hydroxyphenyl)benzothiazoles ligands: electroluminescence and application as host materials for phosphorescent organic light-emitting diodes

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23454-23460
DOI: 10.1039/C2JM34599D, PaperRenjie Wang, Lijun Deng, Min Fu, Jinling Cheng, Jiuyan Li
Novel zinc(II) complexes with substituents on benzothiazole ring act as electron-transporting host materials for iridium phosphor in red phosphorescent organic light-emitting diodes, which greatly outperform the carbazole-based CBP host.
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High electrothermal performance of expanded graphite nanoplatelet-based patch heater

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23404-23410
DOI: 10.1039/C2JM34196D, PaperKeun-Young Shin, Jin-Yong Hong, Seungae Lee, Jyongsik Jang
Sub-kilogram-scale expanded graphite nanoplatelets were fabricated by a simple mild-oxidation of pristine graphite and proved to be easy to use for heater design by screen printing enabling the development of an inexpensive, lightweight patch heater for industrial applications.
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Solution combustion synthesis, photoluminescence and X-ray luminescence of Eu-doped nanoceria CeO2:Eu

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23461-23467
DOI: 10.1039/C2JM34950G, PaperShikao Shi, Marius Hossu, Ryan Hall, Wei Chen
The Eu-doped nanoceria samples display strong red luminescence through optimizing the Eu doping concentration under excitation of 466 nm and X-ray, making them potential candidates for the use of solid state lighting and radiation detection.
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Graphene enriched with pyrrolic coordination of the doped nitrogen as an efficient metal-free electrocatalyst for oxygen reduction

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23506-23513
DOI: 10.1039/C2JM35547G, PaperSreekuttan M. Unni, Saikrishna Devulapally, Neeta Karjule, Sreekumar Kurungot
Porous graphene enriched with pyrrolic form of the doped nitrogen could be prepared by high temperature pyrolysis of pyrrole reduced graphene oxide. The material shows comparable oxygen reduction activity as that of a commercial platinum based catalyst.
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