Efficient reduction and exfoliation of graphite oxide by sequential chemical reduction and microwave irradiation

被引：21
|
作者：
Wen, Chenyu [1 ]
Zhao, Na [1 ]
Zhang, David Wei [1 ]
Wu, Dongping [1 ]
Zhang, Zhi-Bin [2 ]
Zhang, Shi-Li [2 ]
机构：
[1] Fudan Univ, State Key Lab ASIC & Syst, Shanghai 200433, Peoples R China
[2] Uppsala Univ, Angstrom Lab, S-75121 Uppsala, Sweden
来源：
SYNTHETIC METALS | 2014年 / 194卷
基金：
中国国家自然科学基金;
关键词：
Reduced graphene oxide; Microwave; Reduction; GRAPHENE SHEETS; NANOSHEETS; FILMS;
D O I：
10.1016/j.synthmet.2014.04.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An efficient hybrid method combining chemical reduction and microwave irradiation is used to reduce graphite oxide. The hybrid reduction method achieved a carbon/oxygen ratio of 10.33 which is 2.7 times and 1.4 times higher than those obtained with chemical solution and solid-phase microwave irradiation only methods, respectively. The reduced graphene oxide obtained by the hybrid method had a conductance (1.19 x 10(4) S/m) 84.2 times higher than that by chemical solution and 15.6 times higher than that by solid-phase microwave irradiation. In addition, we reveal that microwave irradiation removes C=O bonds more efficiently than C-O bonds. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：71 / 76
页数：6
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