Photo-assisted preparation and patterning of large-area reduced graphene oxide–TiO2 conductive thin film

Bing Li; Xintong Zhang; Xinghua Li; Lei Wang; Runyuan Han; Bingbing Liu; Weitao Zheng; Xinglin Li; Yichun Liu

doi:10.1039/C002200D

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Photo-assisted preparation and patterning of large-area reduced graphene oxide–TiO₂ conductive thin film†

Bing Li,^a Xintong Zhang,*^a Xinghua Li,^a Lei Wang,^a Runyuan Han,^a Bingbing Liu,^b Weitao Zheng,*^bc Xinglin Li*^d and Yichun Liu^a

Author affiliations

* Corresponding authors

^a Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, 5268 Renmin Street, Changchun 130024, People's Republic of China
E-mail: xtzhang@nenu.edu.cn
Fax: +81 431 85099772
Tel: +81 431 85099772

^b State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, People's Republic of China
E-mail: wtzheng@jlu.edu.cn
Tel: +81 431 85168246

^c Department of Materials Science, Jilin University, Changchun 130012, People's Republic of China
E-mail: wtzheng@jlu.edu.cn
Tel: +81 431 85168246

^d Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China
E-mail: lxl@ciac.jl.cn
Tel: +81 431 85262213

Abstract

A mild photo-assisted reduction method was developed to fabricate large-area, uniform reduced graphene oxide–TiO₂ films and micropatterns on various substrates in air at room temperature from a composite insulating film of graphene oxide sheets and TiO₂ nanoparticles, with a conductivity (0.5–2 Ω cm) comparable to chemically reduced graphene.

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Supplementary files

TEM image of GO–TiO ₂ composite film and Fraunhofer diffraction patterns of PRGO–TiO ₂ micropatterns PDF (3257K)

Article information

DOI: https://doi.org/10.1039/C002200D
Article type: Communication
Submitted: 02 Feb 2010
Accepted: 12 Mar 2010
First published: 07 Apr 2010

Download Citation

Chem. Commun., 2010,46, 3499-3501

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Photo-assisted preparation and patterning of large-area reduced graphene oxide–TiO₂ conductive thin film

B. Li, X. Zhang, X. Li, L. Wang, R. Han, B. Liu, W. Zheng, X. Li and Y. Liu, Chem. Commun., 2010, 46, 3499 DOI: 10.1039/C002200D

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Chemical Communications