Scientific Reports Chemistry Table of Contents e-alert: July 2013

	01 July 2013
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	Symmetry-Defying Iron Pyrite (FeS2) Nanocrystals through Oriented Attachment ▶     Maogang Gong, Alec Kirkeminde, Shenqiang Ren     Iron pyrite (fool's gold, FeS2) is a promising earth abundant and environmentally benign semiconductor material that shows promise as a strong and broad absorber for photovoltaics …             Solution-Processed Flexible Fluorine-doped Indium Zinc Oxide Thin-Film Transistors Fabricated on Plastic Film at Low Temperature ▶     Jin-Suk Seo, Jun-Hyuck Jeon, Young Hwan Hwang et al.     Transparent flexible fluorine-doped indium zinc oxide (IZO:F) thin-film transistors (TFTs) were demonstrated using the spin-coating method of the metal fluoride precursor aqueous …             Nanocomposite based flexible ultrasensitive resistive gas sensor for chemical reactions studies ▶     Sadanand Pandey, Gopal K. Goswami, Karuna K. Nanda     Room temperature operation, low detection limit and fast response time are highly desirable for a wide range of gas sensing applications. However, the available gas sensors suffer …             Highly Efficient Visible Light-Induced O2 Generation by Self-Assembled Nanohybrids of Inorganic Nanosheets and Polyoxometalate Nanoclusters ▶     Jayavant L. Gunjakar, Tae Woo Kim, In Young Kim et al.     Unusually high photocatalytic activity of visible light-induced O2 generation can be achieved by electrostatically-derived self-assembly between exfoliated Zn-Cr-LDH 2D nanosheets …             Dual functions of YF3:Eu3+ for improving photovoltaic performance of dye-sensitized solar cells ▶     Jihuai Wu, Jiangli Wang, Jianming Lin et al.     In order to enhance the photovoltaic performance of dye-sensitized solar cell (DSSC), a novel design is demonstrated by introducing rare-earth compound europium ion doped yttrium …             Superconductivity in Topological Insulator Sb2Te3 Induced by Pressure ▶     J. Zhu, J. L. Zhang, P. P. Kong et al.     Topological superconductivity is one of most fascinating properties of topological quantum matters that was theoretically proposed and can support Majorana Fermions at the edge …             Desmosine-Inspired Cross-Linkers for Hyaluronan Hydrogels ▶     Valentin Hagel, Markus Mateescu, Alexander Southan et al.     We designed bioinspired cross-linkers based on desmosine, the cross-linker in natural elastin, to prepare hydrogels with thiolated hyaluronic acid. These short, rigid …             Spontaneous electrical charging of droplets by conventional pipetting ▶     Dongwhi Choi, Horim Lee, Do Jin Im et al.     We report that a droplet dispensed from a micropipette almost always has a considerable electrical charge of a magnitude dependent on the constituents of the droplet, on …             General and Facile Surface Functionalization of Hydrophobic Nanocrystals with Poly(amino acid) for Cell Luminescence Imaging ▶     Sheng Huang, Min Bai, Leyu Wang     Hydrophobic nanocrystals with various shape, size, and chemical composition were successfully functionalized by poly(amino acid) with one particle per micelle without aggregation …             Preserving the Edge Magnetism of Zigzag Graphene Nanoribbons by Ethylene Termination: Insight by Clar's Rule ▶     Yafei Li, Zhen Zhou, Carlos R. Cabrera et al.     By means of density functional theory computations, we demonstrated that C2H4 is the ideal terminal group for zigzag graphene nanoribbons (zGNRs) in terms of preserving the edge …             Enhancement of Vibronic and Ground-State Vibrational Coherences in 2D Spectra of Photosynthetic Complexes ▶     Aurélia Chenu, Niklas Christensson, Harald F. Kauffmann et al.     A vibronic-exciton model is applied to investigate the recently proposed mechanism of enhancement of coherent oscillations due to mixing of electronic and nuclear degrees of …             TiO2 modified FeS Nanostructures with Enhanced Electrochemical Performance for Lithium-Ion Batteries ▶     Xianfu Wang, Qingyi Xiang, Bin Liu et al.     Anatase TiO2 modified FeS nanowires assembled by numerous nanosheets were synthesized by using a typical hydrothermal method. The carbon-free nanocoated composite electrodes …             Piezoelectric two-dimensional nanosheets/anionic layer heterojunction for efficient direct current power generation ▶     Kwon-Ho Kim, Brijesh Kumar, Keun Young Lee et al.     Direct current (DC) piezoelectric power generator is promising for the miniaturization of a power package and self-powering of nanorobots and body-implanted devices. Hence, we …             A TRPA1 antagonist reverts oxaliplatin-induced neuropathic pain ▶     Cristina Nativi, Roberta Gualdani, Elisa Dragoni et al.     Neuropathic pain (NeP) is generally considered an intractable problem, which becomes compelling in clinical practice when caused by highly effective chemotherapeutics, such as in …             Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene ▶     Weon-kyu Koh, Alexey Y. Koposov, John T. Stewart et al.     Colloidal nanocrystals (NCs) of lead chalcogenides are a promising class of tunable infrared materials for applications in devices such as photodetectors and solar cells. Such …             Accurate determination of the vapor-liquid-solid contact line tension and the viability of Young equation ▶     Yawei Liu, Jianjun Wang, Xianren Zhang     In this work, we present a theoretical method to determine the line tension of nanodroplets on homogeneous substrates via decomposing the grand free energy into volume, interface …             Solution-processable graphene nanomeshes with controlled pore structures ▶     Xiluan Wang, Liying Jiao, Kaixuan Sheng et al.     Graphene nanomeshes (GNMs) which can be cheaply produced on a large scale and processed through wet approaches are important materials for various applications, including …             Conductivity of individual particles measured by a microscopic four-point-probe method ▶     Ling Sun, Jianjun Wang, Elmar Bonaccurso     We introduce a technique for measuring the conductivity of individual hybrid metal, semiconducting core-shell and full-metal conducting particles by a microscopic four-point probe …             Topological insulator bismuth selenide as a theranostic platform for simultaneous cancer imaging and therapy ▶     Juan Li, Fei Jiang, Bo Yang et al.     Employing theranostic nanoparticles, which combine both therapeutic and diagnostic capabilities in one dose, has promise to propel the biomedical field toward personalized …             Microbial Oxidation of Fe2+ and Pyrite Exposed to Flux of Micromolar H2O2 in Acidic Media ▶     Yingqun Ma, Chuxia Lin     At an initial pH of 2, while abiotic oxidation of aqueous Fe2 was enhanced by a flux of H2O2 at micromolar concentrations, bio-oxidation of aqueous Fe2 could be impeded due to …             Yoctowells as a simple model system for the encapsulation and controlled release of bioactive molecules ▶     Sheshanath V. Bhosale, Sidhanath V. Bhosale     The development of nanosized drug delivery systems to transport drugs to target cells, are promising tools to improve the drug therapeutic index. Transport systems should have a …             When Magnetic Catalyst Meets Magnetic Reactor: Etherification of FCC Light Gasoline as an Example ▶     Meng Cheng, Wenhua Xie, Baoning Zong et al.     The application of elaborately designed magnetic catalysts has long been limited to ease their separation from the products only. In this paper, we for the first time employed a …             Metastability of anatase: size dependent and irreversible anatase-rutile phase transition in atomic-level precise titania ▶     Norifusa Satoh, Toshio Nakashima, Kimihisa Yamamoto     Since crystal phase dominantly affects the properties of nanocrystals, phase control is important for the applications. To demonstrate the size dependence in anatase-rutile phase …             New-concept Batteries Based on Aqueous Li+/Na+ Mixed-ion Electrolytes ▶     Liang Chen, Qingwen Gu, Xufeng Zhou et al.     Rechargeable batteries made from low-cost and abundant materials operating in safe aqueous electrolytes are attractive for large-scale energy storage. Sodium-ion battery is …             Wetting on flexible hydrophilic pillar-arrays ▶     Quanzi Yuan, Ya-Pu Zhao     Dynamic wetting on the flexible hydrophilic pillar-arrays is studied using large scale molecular dynamics simulations. For the first time, the combined effect of the surface …             Synthesis and luminescence mechanism of multicolor-emitting g-C3N4 nanopowders by low temperature thermal condensation of melamine ▶     Yuanhao Zhang, Qiwen Pan, Guanqi Chai et al.     Graphite like C3N4 (g-C3N4) was synthesized facilely via the low temperature thermal condensation of melamine between 300–650°C. The results showed that the products maintained as …             Highly Sensitive and Selective Gas Sensor Using Hydrophilic and Hydrophobic Graphenes ▶     Surajit Some, Yang Xu, Youngmin Kim et al.     New hydrophilic 2D graphene oxide (GO) nanosheets with various oxygen functional groups were employed to maintain high sensitivity in highly unfavorable environments (extremely …             Facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free eletrocatalysts for oxygen reduction reaction ▶     In-Yup Jeon, Hyun-Jung Choi, Min Choi et al.     A series of edge-selectively halogenated (X=Cl, Br, I) graphene nanoplatelets (XGnPs=ClGnP, BrGnP, IGnP) were prepared simply by ball-milling graphite in the presence of Cl2, …             High-performance flexible electrochromic device based on facile semiconductor-to-metal transition realized by WO3·2H2O ultrathin nanosheets ▶     Lin Liang, Jiajia Zhang, Yingying Zhou et al.     Ultrathin nanosheets are considered as one kind of the most promising candidates for the fabrication of flexible electrochromic devices (ECDs) due to their permeable channels, …
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