Fabrication of high-quality graphene oxide nanoscrolls and application in supercapacitor

Tianju Fan; Wenjin Zeng; Qiaoli Niu; Songzhao Tong; Kaiyu Cai; Yidong Liu; Wei Huang; Yong Min; Arthur J. Epstein

doi:10.1186/s11671-015-0894-3

Fabrication of high-quality graphene oxide nanoscrolls and application in supercapacitor

Tianju Fan, Wenjin Zeng, Qiaoli Niu, Songzhao Tong, Kaiyu Cai, Yidong Liu, Wei Huang, Yong Min, Arthur J. Epstein

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

74 Scopus citations

Abstract

We reported a simple and effective way of fabricating one-dimensional (1D) graphene oxide nanoscrolls (GONS) from graphene oxide (GO) sheets through shock cooling by liquid nitrogen. The corresponding mechanism of rolling was proposed. One possibility is the formation of ice crystals during the shock cooling process in liquid nitrogen to be the driving force. The other might be due to the uneven stress of the sheets inside or outside ice during the lyophilization. After reducing, graphene nanoscrolls (GNS) exhibited good structural stability, high specific surface area, and high specific capacitance. The capacitance properties were investigated by cyclic voltammetry, galvanostatic charge-discharge, and electrical impedance spectroscopy. A specific capacity of 156 F/g for the GNS at the current density of 1.0 A/g was obtained comparing with the specific capacity of 108 F/g for graphene sheets. Those results indicated that GNS-based rolling structure could be a kind of promising electrode material for supercapacitors and batteries.

Original language	English
Article number	192
Pages (from-to)	1-8
Number of pages	8
Journal	Nanoscale Research Letters
Volume	10
Issue number	1
DOIs	https://doi.org/10.1186/s11671-015-0894-3
State	Published - 1 Dec 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015, Fan et al.; licensee Springer.

Funding

The authors would like to acknowledge the financial supports by the Nanjing University of Post and Telecommunication basic research program (NY 212002), the Ministry of Education of China Program for Changjiang Scholars and Innovative Research Team in University (IRT1148), and Shuangchuang Program of Jiangsu Province 2014.

Funders	Funder number
Ministry of Education of China Program for Changjiang Scholars and Innovative Research Team in University	IRT1148
Nanjing University of Post and Telecommunication Basic Research Program	NY 212002
Shuangchuang Program of Jiangsu Province

Keywords

62.23.Hj (Nanowires)
72.80.Vp (Graphene electronic transport)
81.07.De (Nanotubes)
81.16.Be (Chemical synthesis methods)

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abstract = "We reported a simple and effective way of fabricating one-dimensional (1D) graphene oxide nanoscrolls (GONS) from graphene oxide (GO) sheets through shock cooling by liquid nitrogen. The corresponding mechanism of rolling was proposed. One possibility is the formation of ice crystals during the shock cooling process in liquid nitrogen to be the driving force. The other might be due to the uneven stress of the sheets inside or outside ice during the lyophilization. After reducing, graphene nanoscrolls (GNS) exhibited good structural stability, high specific surface area, and high specific capacitance. The capacitance properties were investigated by cyclic voltammetry, galvanostatic charge-discharge, and electrical impedance spectroscopy. A specific capacity of 156 F/g for the GNS at the current density of 1.0 A/g was obtained comparing with the specific capacity of 108 F/g for graphene sheets. Those results indicated that GNS-based rolling structure could be a kind of promising electrode material for supercapacitors and batteries.",

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AU - Liu, Yidong

AU - Huang, Wei

AU - Min, Yong

AU - Epstein, Arthur J.

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Fabrication of high-quality graphene oxide nanoscrolls and application in supercapacitor

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Keywords

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