Graphene quantum dots-carbon nanotube hybrid arrays for supercapacitors

Yue Hu; Yang Zhao; Gewu Lu; Nan Chen; Zhipan Zhang; Hui Li; Huibo Shao; Liangti Qu

doi:10.1088/0957-4484/24/19/195401

Graphene quantum dots-carbon nanotube hybrid arrays for supercapacitors

Yue Hu^*
, Yang Zhao
, Gewu Lu
, Nan Chen
, Zhipan Zhang
, Hui Li
, Huibo Shao
, Liangti Qu

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology
Research Institute of Aerospace Special Materials and Processing Technology

Research output: Contribution to journal › Article › peer-review

106 Citations (Scopus)

Abstract

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.

Original language	English
Article number	195401
Journal	Nanotechnology
Volume	24
Issue number	19
DOIs	https://doi.org/10.1088/0957-4484/24/19/195401
Publication status	Published - 17 May 2013

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abstract = "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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AU - Li, Hui

AU - Shao, Huibo

AU - Qu, Liangti

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AB - 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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Graphene quantum dots-carbon nanotube hybrid arrays for supercapacitors

Abstract

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