Pulsed laser assisted reduction of graphene oxide

We report a simple approach to reduce graphene oxide (GO) solution by pulsed laser irradiation. The reduction was rapidly carried out at room temperature in only 5 min. The reduced graphene oxide (r-GO) was characterized with UV–visible spectroscopy, X-ray diffraction, Raman spectroscopy, X-ray phot...

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Bibliographic Details
Published in:Carbon (New York) 2011-06, Vol.49 (7), p.2431-2436
Main Authors: Huang, Lei, Liu, Yang, Ji, Le-Chun, Xie, Yi-Qun, Wang, Tao, Shi, Wang-Zhou
Format: Article
Language:English
Subjects:
Carbon
Cross-disciplinary physics: materials science
rheology
Diffraction
Exact sciences and technology
Fourier transforms
Fullerenes and related materials
diamonds, graphite
Graphene
Infrared spectroscopy
Materials science
Oxides
Physics
Pulsed lasers
Reduction
Specific materials
X-rays
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Summary:We report a simple approach to reduce graphene oxide (GO) solution by pulsed laser irradiation. The reduction was rapidly carried out at room temperature in only 5 min. The reduced graphene oxide (r-GO) was characterized with UV–visible spectroscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, thermo-gravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscopy and atomic force microscopy. Based on this reducing method, an r-GO conductive film with a sheet resistance of 53.8 kΩ/sq was obtained. The pulsed laser reduction of GO in solution creates a new way to produce graphene composites for a variety of applications.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2011.01.067