RAPID SYNTHESIS OF CoSb3/GRAPHENE NANOCOMPOSITES BY ONE-POT SOLVOTHERMAL ROUTE AND THEIR ELECTROCHEMICAL PROPERTIES

被引：2
|
作者：
Zheng, Yun-Xiao [1 ]
Xie, Jian [1 ]
Liu, Shuang-Yu [1 ]
Song, Wen-Tao [1 ]
Zhu, Tie-Jun [1 ]
Cao, Gao-Shao [1 ]
Zhao, Xin-Bing [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2012年 / 5卷 / 01期
基金：
中国国家自然科学基金;
关键词：
CoSb3; Graphene; nanocomposite; electrochemical properties; FILLED SKUTTERUDITE ANTIMONIDES; THERMOELECTRIC PROPERTIES; TRANSPORT-PROPERTIES; GRAPHITE OXIDE; LI STORAGE; COSB3; LITHIUM; REDUCTION; SPECTROSCOPY;
D O I：
10.1142/S1793604712500026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile synthetic approach for CoSb3/graphene nanocomposite has been developed in this work. By adjusting Co/Sb molar ratio, reaction temperature, and reaction time, we found that nanocrystalline CoSb3 (5-10 nm) can form at a low temperature of 180 degrees C and a short time of only 1 h via a one-pot solvothermal route. At the same time, graphite oxide can be reduced to graphene with uniformly loaded CoSb3 nanoparticles. The composites have been characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM). The nanocomposite shows improved cycling stability compared to bare CoSb3.
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页数：5
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