Study on Characteristics of SF<sub>6</sub> Decomposition Products Based on Graphene/Metal Heterojunctions

LIN Lu; CAO Zhigang; XIANG Yinghan; ZHANG Qiang; LIU Xiaobo

doi:10.13296/j.1001-1609.hva.2025.03.024

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Study on Characteristics of SF₆ Decomposition Products Based on Graphene/Metal Heterojunctions

Research & Analysis | 更新时间：2025-05-25

- Study on Characteristics of SF₆ Decomposition Products Based on Graphene/Metal Heterojunctions
- High Voltage Apparatus Vol. 61, Issue 3, Pages: 200-204(2025)
- 作者机构：
  
  1.国网西藏电力有限公司物资公司（招标公司），拉萨　 850000
  2.国网内蒙古东部电力有限公司通辽供电公司，内蒙古　通辽　 028001
  3.国网电力科学研究院武汉南瑞有限责任公司，武汉　 430074
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2025.03.024
  CLC：
- Received：20 September 2024，
  
  Revised：29 December 2024，
  
  Published：16 March 2025
- 稿件说明：
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LIN Lu, CAO Zhigang, XIANG Yinghan, et al. Study on Characteristics of SF₆ Decomposition Products Based on Graphene/Metal Heterojunctions[J]. High voltage apparatus, 2025, 61(3): 200-204.
DOI：

LIN Lu, CAO Zhigang, XIANG Yinghan, et al. Study on Characteristics of SF₆ Decomposition Products Based on Graphene/Metal Heterojunctions[J]. High voltage apparatus, 2025, 61(3): 200-204. DOI： 10.13296/j.1001-1609.hva.2025.03.024.

摘要

文中详细探讨了石墨烯/金属这种异质结结构对SF

分解产物H

S和SO

的吸附行为的影响。实验结果显示，石墨烯/金和石墨烯/铂异质结结构在吸附H

S或

气体时，电阻率变化率出现峰值或出现电阻率变化率下降现象。进一步研究表明，这种异质结电阻率变化率曲线吸附峰的具体位置由石墨烯与金属之间的费米能级差异决定，而气敏响应强度则由两者之间的费米能级差异及金属的功函数共同作用。该研究基于相关理论基础，为开发新型石墨烯气体传感器在检测SF

分解产物方面的应用提供了理论指导和参考。

Abstract

In this paper

the effect of graphene/metal heterostructure on the adsorption behavior of such SF

decomposition products as H

S and SO

is discussed in detail. The experimental results show that when the graphene/gold and graphene/platinum heterostructures adsorb H

S or SO

gas

the peak or reduction of resistivity variation rate has occurred. The further studies show that the specific position of the adsorption peak of the curve of heterogeneous resistivity variation rate is determined by the Fermi energy difference between the graphene and metal

and the gas sensitive response strength is determined by the Fermi energy difference between the graphene and metal and the work function of metal together. Based on the relevant theoretical basis

this study provides theoretical guidance and reference for the development of novel graphene sensor in the detection of SF

decomposition.

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Study on Characteristics of SF6 Decomposition Products Based on Graphene/Metal Heterojunctions

DOI：10.13296/j.1001-1609.hva.2025.03.024

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Abstract

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Study on Characteristics of SF₆ Decomposition Products Based on Graphene/Metal Heterojunctions