Graphene quantum dots-carbon nanotube hybrid arrays for supercapacitors

被引：84
|
作者：
Hu, Yue [1 ]
Zhao, Yang [1 ]
Lu, Gewu [2 ]
Chen, Nan [1 ]
Zhang, Zhipan [1 ]
Li, Hui [1 ]
Shao, Huibo [1 ]
Qu, Liangti [1 ]
机构：
[1] Beijing Inst Technol, Key Lab Cluster Sci, Minist Educ, Sch Chem, Beijing 100081, Peoples R China
[2] Aerosp Res Inst Special Mat & Proc Technol, Beijing 100074, Peoples R China
来源：
NANOTECHNOLOGY | 2013年 / 24卷 / 19期
关键词：
NANOCRYSTAL SOLIDS; NANOPARTICLES; ELECTRODES; ROUTE;
D O I：
10.1088/0957-4484/24/19/195401
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Graphene quantum dots (GQDs) have been successfully deposited onto aligned carbon nanotubes (CNTs) by a benign electrochemical method and the capacitive properties of the as-formed GQD/CNT hybrid arrays were evaluated in symmetrical supercapacitors. It was found that supercapacitors fabricated from GQD/CNT hybrid arrays exhibited a high capacitance of 44 mF cm(-2), representing a more than 200% improvement over that of bare CNT electrodes.
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页数：7
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