One-step green synthesis of graphene-ZnO nanocomposites

被引：15

作者：

Du, Guixiang ^{[1
,2
]}

Wang, Xiaoxu ^{[1
,2
]}

Zhang, Lidong ^{[3
]}

Feng, Yan ^{[1
,2
]}

Liu, Yue ^{[1
,2
]}

机构：

[1] Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Performance Funct Mol, Tianjin 300387, Peoples R China

[2] Tianjin Normal Univ, Coll Chem, Key Lab Inorgan Organ Hybrid Funct Mat Chem, Minist Educ, Tianjin 300387, Peoples R China

[3] Tianjin Bohai Vocat Tech Coll, Sch Energy & Chem Technol, Tianjin 300402, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 98卷

基金：

中国国家自然科学基金;

关键词：

Graphene oxide; Zinc oxide; Carbon materials; Nanocomposites; COMPOSITE; SUPERCAPACITORS; NANOWIRES;

D O I：

10.1016/j.matlet.2013.02.046

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Graphene-ZnO nanocomposites were successfully synthesized by a one-step hydrothermal approach, using glucose as a green reducing agent. The in-situ formed hexagonal ZnO particles were randomly decorated on the surfaces of graphene oxide sheets, which were simultaneously reduced directly to form the graphene sheets and the ZnO particles acted as spacers to keep the neighboring sheets separate. Photoluminescence spectra of graphene-ZnO nanocomposites displayed the fluorescence quenching property. Electrochemical tests showed that the graphene-ZnO composite electrodes enhanced the capacitive behavior with higher capacitance values (118 F/g) and better capacitive behavior as compared with pure graphene, which predicted their potential application in energy storage. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：168 / 170

页数：3

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