Issue 37, 2013
From the journal:

Journal of Materials Chemistry A

Microwave-assisted simultaneous reduction and titanate treatment of graphene oxide

Jing Li,a   Zhenzhen Yang,a   Hanxun Qiu,a   Yigang Dai,b   Qingbin Zheng,a   Guang-Ping Zhengc  and  Junhe Yang*a  

* Corresponding authors

a School of Materials Science and Engineering, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, China
E-mail: jhyang@usst.edu.cn
Fax: +86-21-55270632
Tel: +86-21-55274065

b Research Institute, Baoshan Iron & Steel Co. Ltd., No. 889 Fujin Road, Shanghai 201900, China

c Department of Mechanical Engineering and Shenzhen Research Institute, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China

Abstract

Simultaneous reduction and functionalization of graphene oxide was conducted with the assistance of microwave irradiation. A titanate coupling agent was utilized for the functionalization of graphene. TEM, XPS and FTIR were employed to characterize the changes in graphene morphology and chemistry. The results suggested that the titanate coupling agent was bonded covalently on the graphene surfaces. The surface of graphene remained hydrophilic after the reduction of graphene oxide, while the electrical conductivity of graphene was partially restored. Titanate functionalized graphene was mixed with the waterborne polyurethane (PU) to prepare nanocomposites. The graphene/PU nanocomposites exhibited a conductive percolation threshold of 0.1 wt%.

Graphical abstract: Microwave-assisted simultaneous reduction and titanate treatment of graphene oxide

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Article information

DOI
https://doi.org/10.1039/C3TA12228J
Article type
Paper
Submitted
08 Jun 2013
Accepted
24 Jul 2013
First published
25 Jul 2013

J. Mater. Chem. A, 2013,1, 11451-11456

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Microwave-assisted simultaneous reduction and titanate treatment of graphene oxide

J. Li, Z. Yang, H. Qiu, Y. Dai, Q. Zheng, G. Zheng and J. Yang, J. Mater. Chem. A, 2013, 1, 11451 DOI: 10.1039/C3TA12228J

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