Synthesis, optical and electrochemical properties of ZnO nanowires/graphene oxide heterostructures

被引:47
作者
Zeng, Huidan [2 ]
Cao, Ying [2 ]
Xie, Shufan [1 ]
Yang, Junhe [1 ]
Tang, Zhihong [1 ]
Wang, Xianying [1 ]
Sun, Luyi [3 ,4 ]
机构
[1] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China
[2] E China Univ Sci & Technol, Minist Educ, Key Lab Ultrafine Mat, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China
[3] Texas State Univ San Marcos, Dept Chem & Biochem, San Macros, TX 78666 USA
[4] Texas State Univ San Marcos, Mat Sci Engn & Commercializat Program, San Macros, TX 78666 USA
来源
NANOSCALE RESEARCH LETTERS | 2013年 / 8卷
关键词
ZnO; Nanowires; Graphene oxide; Optical properties; Electrochemical properties; GRAPHENE;
D O I
10.1186/1556-276X-8-133
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Large-scale vertically aligned ZnO nanowires with high crystal qualities were fabricated on thin graphene oxide films via a low temperature hydrothermal method. Room temperature photoluminescence results show that the ultraviolet emission of nanowires grown on graphene oxide films was greatly enhanced and the defect-related visible emission was suppressed, which can be attributed to the improved crystal quality and possible electron transfer between ZnO and graphene oxide. Electrochemical property measurement results demonstrated that the ZnO nanowires/graphene oxide have large integral area of cyclic voltammetry loop, indicating that such heterostructure is promising for application in supercapacitors.
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页数:6
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