Low temperature plasma-mediated synthesis of graphene nanosheets for supercapacitor electrodes

被引：68

作者：

Zhou, Quan ^{[1
]}

Zhao, Zongbin ^{[1
]}

Chen, Yongsheng ^{[2
,3
]}

Hu, Han ^{[1
]}

Qiu, Jieshan ^{[1
]}

机构：

[1] Dalian Univ Technol, Carbon Res Lab, Liaoning Key Lab Energy Mat & Chem Engn, PSU DUT Joint Ctr Energy Res,State Key Lab Fine C, Dalian 116024, Peoples R China

[2] Penn State Univ, EMS Energy Inst, PSU DUT Joint Ctr Energy Res, University Pk, PA 16802 USA

[3] Penn State Univ, John & Willie Leone Family Dept Energy & Mineral, University Pk, PA 16802 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 13期

关键词：

FUNCTIONALIZED GRAPHENE; RAMAN-SPECTROSCOPY; LARGE-AREA; OXIDE; GRAPHITE; SHEETS; FILMS; TRANSPARENT; FILAMENTARY; REDUCTION;

D O I：

10.1039/c2jm15572a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Controllable production of graphene by simultaneously exfoliating and reducing graphite oxide (GO) under dielectric barrier discharge (DBD) plasma with various working gases, including H-2 (reducing), Ar (inert) and CO2 (oxidizing), has been investigated. The deoxygenation level of GO is related to the type of working gases while regardless of the bulk temperature during plasma discharge, which implicates a high-energy electron/ion bombardment deoxygenation mechanism. Acting as electrode materials in a supercapacitor cell with KOH electrolyte, graphene nanosheets (GS) from various plasmas exhibit high specific capacitance and good electrochemical stability. With the assistance of low temperature plasma, this approach has the potential to enable the fabrication of a broad spectrum of graphene-based composites that are sensitive to high temperatures.

引用

页码：6061 / 6066

页数：6

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