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Facile one-pot method synthesis CNT/GeO2 nanocomposite for high performance Li ion battery anode material

29-10-2014 | Fangfang Jia; Lingxiao Song; Wei Wei; Peng Qu; Maotian Xu, New Journal of Chemistry, 2014

For the first time, we synthesized CNT/GeO2 nanocomposite via a facile one-pot solution method. The as-prepared CNT/GeO2 nanocomposite appears as webs of curved nanotubes and nanoparticles, forming strong intertwined entanglements with a three-dimensional (3D) network structure. Such a hybrid ...

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Silver Seeds and Aromatic Surfactants Facilitate the Growth of Anisotropic Metal Nanoparticles: Gold Triangular Nanoprisms and Ultrathin Nanowires

24-10-2014 | Zhaoxia Qian; So-Jung Park, Chemistry of Materials, 2014

Here, we report that the introduction of silver seeds can lead to fast and high-yield syntheses of two highly anisotropic metal nanoparticles: triangular gold nanoprisms and ultrathin metal nanowires. Uniform sub-50 nm gold triangular nanoprisms were formed in high yields when silver seeds were ...

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Solution Synthesis of Cu3PdN Nanocrystals as Ternary Metal Nitride Electrocatalysts for the Oxygen Reduction Reaction

23-10-2014 | Dimitri D. Vaughn II; Jose Araujo; Praveen Meduri; Juan F. Callejas; Michael A. Hickner; Raymond E. Schaak, Chemistry of Materials, 2014

The synthesis of transition metal nitride nanoparticles is challenging, in part because the unreactive nature of the most common nitrogen reagents necessitates high-temperature and/or high-pressure reaction conditions. Here we report the solution-phase synthesis and characterization of ...

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Nanostructured solar cell based on solution processed Cu2ZnSnS4 nanoparticles and vertically aligned ZnO nanorod array

21-10-2014 | Minlin Jiang, Jiamin Wu, Gao Di, Guangyong Li, physica status solidi (RRL) - Rapid Research Letters, 2014

Cu2ZnSnS4 (CZTS) has attracted intensive interest for application in photovoltaic technology due to its excellent semiconductor properties. We report a nanostructured CZTS solar cell which was fabricated by infiltrating of CZTS nanoparticles into CdS coated ZnO nanorod arrays. The well aligned ...

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Synthesis of Conducting Polymer/Zinc Sulfide Nanocomposite Films and Investigation of Their Electrochemical and Morphological Properties

21-10-2014 | ERSEN TURAC, ERTUGRUL SAHMETLIOGLU, ERSEN GOKTURK, Advances in Polymer Technology, 2014

ABSTRACT Polypyrrole–zinc sulfide (PPy‐ZnS) and poly(3,4‐ethylenedioxythiophene)–zinc sulfide (PEDOT–ZnS) composite films were synthesized and characterized. Their electrochemical behaviors were investigated. The synthesis of PPy‐ZnS and PEDOT‐ZnS composite films was carried out by ...

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Importance of the DNA "bond" in programmable nanoparticle crystallization [Chemistry]

21-10-2014 | Robert J. Macfarlane; Ryan V. Thaner; Keith A. Brown; Jian Zhang; Byeongdu Lee; SonBinh T. Nguyen; Chad A. Mirkin, Proceedings of the National Academy of Sciences current issue, 2014

If a solution of DNA-coated nanoparticles is allowed to crystallize, the thermodynamic structure can be predicted by a set of structural design rules analogous to Pauling’s rules for ionic crystallization. The details of the crystallization process, however, have proved more difficult to ...

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Preparation of Polymeric Nanoparticles by Novel Electrospray Nanoprecipitation

20-10-2014 | C. J. Luo, T. Okubo, M. Nangrejo, M. Edirisinghe, Polymer International, 2014

Abstract Polymeric nanoparticles have important applications in drug delivery, biotechnology, diagnostics, and energy harvesting. We report a new technique named electrospray nanoprecipitation, which combines electrospray with agitated solvent displacement. The process enabled one‐step ...

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Phosphorescent Polymeric Nanoparticles by Coordination Cross‐Linking as a Platform for Luminescence Imaging and Photodynamic Therapy

16-10-2014 | Yang Lu, Fengfeng Xue, Zhiguo Zhou, Min Shi, Yuping Yan, Lijie Qin, Hong Yang, Shiping Yang, Chemistry - A European Journal, 2014

Abstract Water‐soluble phosphorescent polymeric nanoparticles with an average diameter of approximately 100 nm were synthesized by a coordination cross‐linking reaction. The pyridine blocks in poly(4‐vinyl pyridine‐b‐ethylene oxide) (P4VP‐b‐PEO) were cross‐linked by the iridium ...

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Glyconanoparticles for colorimetric bioassays

15-10-2014 | María J. Marín; Claire L. Schofield; Robert A. Field; David A. Russell, Analyst, 2014

Carbohydrate molecules are involved in many of the cellular processes that are important for life. By combining the specific analyte targeting of carbohydrates with the multivalent structure and change of solution colour as a consequence of plasmonic interactions with the aggregation of metal ...

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Organo-modified ZnO nanoparticles: tuning of the optical properties for PLED device fabrication

14-10-2014 | Daniele Costenaro; Fabio Carniato; Giorgio Gatti; Leonardo Marchese; Chiara Bisio, New Journal of Chemistry, 2014

Organo-modified ZnO nanoparticles (NPs) were synthesized in basic media through a co-precipitation method, starting from a solution of zinc acetate in methanol and three different organosilane species (i.e. 3-aminopropyl-triethoxy silane, isobutyl-triethoxy silane and phenyl-triethoxy silane). ...

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