Dynamic structure evolution of GO examined by in-situ inferred spectra

Tiantian Jia; Shuning Yang; Changlong Cai; Haifeng Liang; Qian Hu; Yiyi Zhang

doi:10.1117/12.2565356

17 April 2020 Dynamic structure evolution of GO examined by in-situ inferred spectra

Tiantian Jia, Shuning Yang, Changlong Cai, Haifeng Liang, Qian Hu, Yiyi Zhang

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114557K (2020) https://doi.org/10.1117/12.2565356
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

Graphene oxide (Go) is one of the important derivatives of graphene materials. It has excellent photoelectric properties due to oxygen functional groups introduced during the graphite peeling process. The electrical and optical properties of Go are closely sensitive to its chemical structure and can be adjusted chemically. Based on in-situ infrared dynamic test method, the structure and composition of graphene oxide are determined, and the real-time change of oxygen functional groups with temperature is characterized. The change trend of oxygen groups such as C-OH,O-H (water), O-H (in COOH),C=O with temperature was basically similar, but showed clearly different temperature dependent The loss of different oxygen groups is mainly concentrated in the following four temperature ranges: 22°C ~ 150°, 150 ° ~ 230°, 230° ~ 400°, and 400° ~ 530°, respectively.

Citation Download Citation

Tiantian Jia, Shuning Yang, Changlong Cai, Haifeng Liang, Qian Hu, and Yiyi Zhang "Dynamic structure evolution of GO examined by in-situ inferred spectra", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114557K (17 April 2020); https://doi.org/10.1117/12.2565356

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KEYWORDS

Oxygen

Graphene

Infrared radiation

Chemical analysis

Infrared spectroscopy

Oxides

Structural dynamics

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