SHI induced defects in chemically synthesized graphene oxide for hydrogen storage applications
- Department of Physics, University of Rajasthan, Jaipur-302004, India. (India)
- Department of Physics, Govt. Women Engineering College, Ajmer-305002, India. (India)
Graphene, due to its unique properties arising from the single carbon layer, is a potential candidate for applications in a variety of fields including sensors, photovoltaics and energy storage. The atomic structure and morphology of the carbon nanomaterials especially graphene can be tailored by energetic ionic irradiation. As graphene sheet is very stable, the surface have less reactivity as compared to the edges of the sheets. By surface modification with energetic ion-beams additional dangling bonds can be formed to enhance the surface activity of the graphene film which could be exploited in a variety of applications. In the present work, graphene oxide was synthesized by improved Hummers’ Method. The irradiation was done with Ag{sup +} ions carrying energy 100 MeV with the fluence of 3×10{sup 13}. Raman spectrum of graphene irradiated by Ag{sup +} beam shows additional disordered peaks of D´ and D+G bands. There is also a decrease in the intensity of D band. AFM images depict the increase in the surface roughness of the films. This can be attributed to the increase in the defects in the flakes and intermixing of adjacent layers by irradiation.
- OSTI ID:
- 22606577
- Journal Information:
- AIP Conference Proceedings, Vol. 1728, Issue 1; Conference: ICC 2015: International conference on condensed matter and applied physics, Bikaner (India), 30-31 Oct 2015; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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