Raman Spectroscopy of Graphene by the Method of Oxidization-Reduction

Conference paper
Part of the Springer Proceedings in Energy book series (SPE)

Abstract

Graphene, a monolayer of carbon atoms packed into a two-dimensional crystal structure, attracted intense attention owing to its unique structure and optical, electronic properties. In this study, graphite oxide (GO) was prepared using flake graphite by an improved Hummers method. Hydrazine hydrate as reducing reagent was added to prepare reduced graphene oxide (RGO). GO and RGO were characterized by XRD, SEM and Raman. According to the peak position and intensity of the D, G and G′ band in Raman spectra, the influence of KMnO4, H2O2 and hydrazine hydrate on the structure of graphene was studied. The results show that the ID/IG value is the minimum when the amount of KMnO4 is 7.5 g; the ID/IG value is the least when the amount of H2O2 is 15 ml; the ID/IG value is the smallest and the G′ band obviously appears when the amount of hydrazine hydrate is 12 ml, which shows that the defects of graphene are the minimum and the number of graphene layers is the least.

Keywords

Oxidization-reduction Graphene Defects Raman spectroscopy 

Notes

Acknowledgements

The authors gratefully acknowledge the key research project of North Minzu University, China (Grant No. 2015KJ26), Research start-up fee of North Minzu University, China (Grant No. 4400302523) and Ningxia Autonomous Regional Level Undergraduate Innovation Program, China (Grant No. NXCX2016190) for financial support.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.School of Material Science and EngineeringNorth Minzu UniversityYinchuanChina

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