Journal
JOURNAL OF ELECTRONIC MATERIALS
Volume 45, Issue 1, Pages 379-385Publisher
SPRINGER
DOI: 10.1007/s11664-015-4096-7
Keywords
Graphene oxide; spray pyrolysis; raman; XPS; photoluminescence
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Funding
- Defence Research and Development Organization (DRDO), New Delhi
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Graphene oxide thin films have been deposited by spray pyrolysis using graphene oxide powder prepared by modified Hummers method. These thin films were characterized by different physico-chemical techniques. The x-ray diffraction studies revealed the structural properties of GO (graphene oxide) while the Raman spectrum showed the presence of D and G and two-dimensional bands. The D/G intensity ratio for spray-deposited GO film is 1.10. The x-ray photoelectron spectroscopy showed 67% and 33% atomic percentages of carbon and oxygen, respectively. The ratio of O1s/C1s was found to be 0.49. The temperature-dependent photoluminescence of GO thin film and GO solution showed a blue emission.
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