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Two-dimensional structure Au nanosheets are super active for the catalytic reduction of 4-nitrophenol

21-May-2015 | Yan Zhang; Zhimin Cui; Lidong Li; Lin Guo; Shihe Yang, Physical Chemistry Chemical Physics, 2015

Two-dimensional structure Au nanosheets with a polygon morphology and controlled thicknesses of [[similar]] 15 nm, [[similar]] 35 nm, and [[similar]] 50 nm were successfully synthesized by a one-step solution reduction method. Scanning and transmission electron microscopy (SEM and TEM), ...


Synthesis and characterization of super‐absorbent hydrogels based on hemicellulose

20-May-2015 | Jian Zhang, Huining Xiao, Na Li, Qingwei Ping, Yi Zhang, Journal of Applied Polymer Science, 2015

ABSTRACT A kind of novel hemicellulose‐based hydrogel with excellent water absorbency was synthesized by the graft copolymerization of acrylic acid (AA), acrylic amide (AM) with hemicellulose. The various factors that influenced the water absorbency of the modified hemicellulose were studied, ...


Few‐layer‐graphene/polycarbonate nanocomposites as dielectric and conducting material

20-May-2015 | P. K. Sain, R. K. Goyal, Y. V. S. S. Prasad, Jyoti, K. B. Sharma, A. K. Bhargava, Journal of Applied Polymer Science, 2015

ABSTRACT An attempt is taken to develop a flexible and light weight polycarbonate‐based nanocomposite system which could be successfully used as a dielectric material below percolation and as conducting material beyond percolation. The nanocomposite system has been prepared by solution mixing ...


Formation of Rh frame nanorods using Au nanorods as sacrificial template

20-May-2015 | Masaharu Tsuji; Yukinori Nakashima; Atsuhiko Yajima; Masashi Hattori, CrystEngComm, 2015

This report describes a new formation process of Rh frame structures using Au nanorods (NRs) as sacrificial template. Initially, Au@Rh NRs were prepared by reducing Rh3+ in the presence of Au NRs, ascorbic acid, and cetyl trimethyl ammonium bromide (CTAB) in an aqueous solution. After formation ...


Intramolecular Hydrogen Bond Involving Organic Fluorine in the Derivatives of Hydrazides: An NMR Investigation substantiated by DFT based theoretical calculations

20-May-2015 | Sandeep K Mishra; Suryaprakash Nagaraja Rao, Physical Chemistry Chemical Physics, 2015

The rare examples of intramolecular Hydrogen bonds (HB) of the type the N−H•••F−C, detected in a low polarity solvent in the derivatives of hydrazides, by utilizing one and two-dimensional solution state multinuclear NMR techniques, are reported. The observation of through-space couplings, such ...


Structural rearrangement in the aqueous solution of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate

20-May-2015 | Tianxiang Yin; Jiequn Wu; Shuzhen Wang; Weiguo Shen, Soft Matter, 2015

The aggregation behaviors of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate in aqueous solutions were investigated by conductometry, densimetry, fluorimetry, 1H nuclear magnetic resonance (1H NMR) spectroscopy, dynamic light scattering (DLS), and ...


Liquid-phase step-by-step growth of an iron cyanide coordination framework on LiCoO2 particle surfaces

20-May-2015 | Rie Makiura; Shingo Teragawa; Kohei Tsuchiyama; Akitoshi Hayashi; Kiyoharu Tadanaga; Masahiro Tatsumisago, Dalton Transactions, 2015

Surface modification of inorganic objects with metal-organic frameworks (MOFs) –organic-inorganic hybrid framework materials with infinite networks– opens wide windows for potential applications. In order to derive a target property, the key is the ability to fine tune the degree of modification. ...


Fabrication of a novel graphene oxide/[small beta]-FeOOH composite and its adsorption behavior for copper ions from aqueous solution

20-May-2015 | Tingshun Jiang; Lu Yan; Lei Zhang; Yingying Li; Qian Zhao; Hengbo Yin, Dalton Transactions, 2015

A graphene oxide (GO)/β-FeOOH composite was prepared by the liquid insert method and was characterized by XRD, FT-IR, SEM and TEM. The adsorption capacity of the composite was evaluated by the removal of copper ions (Cu2+) from aqueous solution. The effect of initial pH, contact time and ...


Microwave-facilitated rapid synthesis of gold nanoclusters with tunable optical property for sensing ions and fluorescent ink

20-May-2015 | Jia Zhang; Yue Yuan; Gaolin Liang; Muhammad Nadeem Arshad; Hassan Abdulkader H. M. Albar; Tariq Sobahi; Shu-Hong Yu, Chemical Communication, 2015

Luminescent glutathione-capped gold nanoclusters (GS-AuNCs) with tunable emissions are efficiently synthesized by a solution-based microwave method.


A Dopant free Linear Acene derivative as a Hole Transport Material for Perovskite pigmented Solar Cells

20-May-2015 | Samrana Kazim; Javier Francisco Ramos; Peng Gao; Nazeeruddin, Mohammad K.; Michael Grätzel; Shahzada Ahmad, Energy & Environmental Science, 2015

A solution processable, molecular organic semiconductor, 6,13-Bis(triisopropylsilylethynyl) pentacene (TIPS-pentacene) was employed as hole transport material (HTM) in mesoscopic methylammonium lead iodide perovskite solar cells. The TIPS-pentacene is potentially cost effective, exhibits ...


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