A Simplified Ultrasonic Stripping-Chemical Reduction Method for Preparation of Graphene
Graphene has been widely used in many fields due to its unique excellent mechanical, optical, thermal and electrical properties. A simple approach for reducing graphene oxide (GO) with Tea polyphenols (TP) (TRG) was developed by ultrasonic stripping-chemical reduction method. The reduction products of TRG were obtained, and Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy and X-ray-diffraction were introduced to prove the elimination of oxygen-containing groups from GO. It was found that when the weight of TP was 0.225 g, the reduction degree of GO was the highest. Besides, the thermal gravimetric analysis results showed that there was a close relationship between the reduction degree of GO and thermal stability of TRG.
KeywordsGraphene oxide Tea polyphenols Ultrasonic stripping Thermal stability Reduction degree
This work was supported by the Science and Technology Department of Sichuan Province (2017JZ0021, 2017SZ0039) and the Education Department of Sichuan Province (17ZA0298).
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