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Vol. 34, No. 8(3), S&M3042

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Vol. 32, No. 8(2), S&M2292

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Sensors and Materials
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Sensors and Materials, Volume 35, Number 4(3) (2023)
Copyright(C) MYU K.K.
pp. 1413-1423
S&M3256 Research Paper of Special Issue
https://doi.org/10.18494/SAM4079
Published: April 27, 2023

Adsorption Properties of Pt/N-doped Graphene for SF6 Decomposition Species [PDF]

Dongyue Wu, Linxi Zhou, Chao Chen, and Xuehui Liang

(Received August 9, 2022; Accepted January 16, 2023)

Keywords: graphene-based carrier, SO2, density functional theory (DFT), SF6 decomposition products

In this paper, using density functional theory, we studied the adsorption properties of four different structures of Pt- and N-doped graphene (Pt/xN-GN, x = 0,1,2,3) for SO2, the main decomposition product of SF6. In the Pt/xN-GN structure, with increasing N atom content, the adsorption distance of SO2 decreases and the adsorption energy increases. The total density of states and the partial density of states of the system before and after gas adsorption were compared and analyzed to explore the mechanism of the interaction between SO2 and the Pt/xN-doped graphene structure. Pt/3N-GN adsorbs SO2 gas molecules, and orbital hybridization occurs, which is chemical adsorption. Pt/3N-GN has good adsorption performance for SO2 gas molecules, and the adsorption energy is −2.548 eV. The gas sensor based on Pt/xN-doped graphene studied in this paper has good application prospects in the field of gas-insulated switchgear discharge decomposition component detection and fault diagnosis.

Corresponding author: Dongyue Wu, Linxi Zhou


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Cite this article
Dongyue Wu, Linxi Zhou, Chao Chen, and Xuehui Liang, Adsorption Properties of Pt/N-doped Graphene for SF6 Decomposition Species, Sens. Mater., Vol. 35, No. 4, 2023, p. 1413-1423.



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