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

页码：71 / 76

页数：6

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