Influence of graphite size on the synthesis and reduction of graphite oxides

被引：18
|
作者：
Tran, Minh-Hai [1 ]
Yang, Cheol-Soo [2 ]
Yang, Sunhye [3 ]
Kim, Ick-Jun [3 ]
Jeong, Hae Kyung [1 ]
机构：
[1] Daegu Univ, Inst Basic Sci, Dept Phys, Gyongsan 712714, South Korea
[2] Korea Res Inst Chem Technol, Adv Mat Div, Taejon 305343, South Korea
[3] Korea Electrotechnol Res Inst, Chang Won 641600, South Korea
来源：
CURRENT APPLIED PHYSICS | 2014年 / 14卷
基金：
新加坡国家研究基金会;
关键词：
Grain size; Graphite; Graphite oxide; Reduction; Synthesis; GRAPHENE OXIDE; EFFICIENT REDUCTION; CHEMICAL-REDUCTION; FILMS;
D O I：
10.1016/j.cap.2013.11.038
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigated the influence of the precursor, graphite, size on the synthesis and reduction of graphite oxide. Three precursors of graphite with different size were used to synthesize the graphite oxide which was consecutively reduced by hydrazine of different concentration ratios. Size dependent effect on the reduction of the graphite oxide was found, and the graphite oxide of the smallest size provided the best reduction result. Electrochemical properties of the reduced graphene oxide were investigated in both of the base and acid electrolytes, finding the reduced graphene oxide of the smallest size gives the best electrochemical performance due to the high reduction. Therefore, the precursor size is a very important factor in the synthesis and reduction of graphite oxide, affecting the electrochemical performance considerably for the energy storage applications. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：S74 / S79
页数：6
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