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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 8(3) (2023)
Copyright(C) MYU K.K.
pp. 2971-2982
S&M3368 Letter
https://doi.org/10.18494/SAM4542
Published: August 24, 2023

First-principles study of Adsorption and Gas Sensing Properties of Pt-modified InN for SF6 Decomposition Components [PDF]

Youjun Yue, Guilin Chen, Dongyue Wu, Linxi Zhou, and Yiliduosi Zupaer

(Received June 2, 2023; Accepted August 7, 2023)

Keywords: SF6 decomposition gases, density functional theory (DFT), Pt-InN monolayer, gas adsorption

In this study, we propose Pt-modified InN (Pt-InN) as an adsorption and sensing material for typical SF6 decomposition gases (SO2, SOF2, and SO2F2). On the basis of density functional theory, the adsorption structure, energy, charge transfer, deformed charge density, the total density of states, the partial density of states, and recovery time were discussed and calculated in detail, and the internal mechanism of the entire adsorption process was clarified. Analysis results show that Pt doping can considerably improve the characteristic response of pure InN monolayers to SF6 decomposition gases. The high adsorption energy indicates a chemical interaction between the Pt-InN monolayer and SO2, SOF2, and SO2F2 molecules, making Pt-InN a potential candidate material for SF6 decomposition gas sensors. This study also guides further research on InN as a gas sensor.

Corresponding author: Dongyue Wu


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Cite this article
Youjun Yue, Guilin Chen, Dongyue Wu, Linxi Zhou, and Yiliduosi Zupaer , First-principles study of Adsorption and Gas Sensing Properties of Pt-modified InN for SF6 Decomposition Components , Sens. Mater., Vol. 35, No. 8, 2023, p. 2971-2982.



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