The formation of a carbon nanotube-graphene oxide core-shell structure and its possible applications

被引：118

作者：

Dong, Xiaochen ^{[4
,5
]}

Xing, Guichuan ^{[2
]}

Chan-Park, M. B. ^{[1
]}

Shi, Wenhui ^{[3
]}

Xiao, Ni ^{[3
]}

Wang, Jing ^{[1
]}

Yan, Qingyu ^{[3
]}

Sum, Tze Chien ^{[2
]}

Huang, Wei ^{[4
,5
]}

Chen, Peng ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637457, Singapore

[2] Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 637371, Singapore

[3] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[4] Nanjing Univ Posts & Telecommun, Key Lab Organ Elect & Informat Displays, Nanjing 210046, Peoples R China

[5] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210046, Peoples R China

来源：

CARBON | 2011年 / 49卷 / 15期

基金：

新加坡国家研究基金会;

关键词：

FILMS;

D O I：

10.1016/j.carbon.2011.07.025

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A stable aqueous dispersion of hydrophobic single-walled carbon nanotubes (SWCNTs) and amphiphilic graphene oxide (GO) nano-sheets was produced by sonication mixing without assistance of any surfactant. Raman spectroscopy, scanning electron microscopy, transmission electron microscopy, and electrical characterization suggest that SWCNTs are completely wrapped by GO nano-sheets. The spontaneous formation of such a core-shell structure is due to the strong pi-pi stacking interaction between the two materials. The electronic coupling between them is evidenced by time-resolved fluorescence measurement. The potential of such a nanocarbon hybrid in optical limiting and supercapacitor applications is discussed. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：5071 / 5078

页数：8

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