Issue 28, 2014

A fast room-temperature strategy for direct reduction of graphene oxide films towards flexible transparent conductive films

Abstract

Chemically reduced graphene oxide (rGO) is widely studied as a transparent electrode, as it can be cheaply prepared on a large scale, easily integrated into flexible devices, and contributes to excellent device performances. However, the commonly used reduction methods for converting graphene oxide (GO) films into rGO ones generally involve toxic reagents or complex transfer steps. In this report, we develop a simple short-term room-temperature strategy for the direct fabrication of rGO-based transparent conductive films on flexible substrates, where tin (Sn) is used to promote the conversion of pre-deposited GO films into rGO ones. The thus-prepared rGO films exhibit sheet resistances of 6.7–17.3 kΩ sq−1 and transparencies of 75–81% at 550 nm, indicating great potential of the here-developed methodology for the fabrication of graphene-based transparent conductive films, under conditions without any heating and transferring processes, as well as toxic agents.

Graphical abstract: A fast room-temperature strategy for direct reduction of graphene oxide films towards flexible transparent conductive films

Supplementary files

Article information

Article type
Paper
Submitted
29 Qun 2014
Accepted
14 Agd 2014
First published
14 Agd 2014

J. Mater. Chem. A, 2014,2, 10969-10973

Author version available

A fast room-temperature strategy for direct reduction of graphene oxide films towards flexible transparent conductive films

J. Ning, J. Wang, X. Li, T. Qiu, B. Luo, L. Hao, M. Liang, B. Wang and L. Zhi, J. Mater. Chem. A, 2014, 2, 10969 DOI: 10.1039/C4TA00527A

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