Theoretical approaches toward designing sensitive materials for carbon nanotube-based field-effect transistor gas sensors

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成果类型：

期刊论文

作者：

Huamei Zuo;Shixiang Zhan;Wangping Xu;Xiaolin Wei;Juexian Cao

通讯作者：

Wangping Xu<&wdkj&>Juexian Cao

作者机构：

Department of Physics & Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University, Xiangtan 411105, PR China

College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, PR China

[Huamei Zuo; Shixiang Zhan; Wangping Xu; Juexian Cao] Department of Physics & Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University,Xiangtan 411105,PR China

[Xiaolin Wei] Department of Physics & Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University,Xiangtan 411105,PR China<&wdkj&>College of Physics and Electronics Engineering, Hengyang Normal University,Hengyang 421002,PR China

通讯机构：

[Wangping Xu; Juexian Cao] D

Department of Physics & Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University, Xiangtan 411105, PR China

语种：

英文

期刊：

Sensors and Actuators B-Chemical

ISSN：

0925-4005

年：

2024

卷：

409

页码：

135604

DOI：

10.1016/j.snb.2024.135604

基金类别：

CRediT authorship contribution statement Juexian Cao: Supervision, Resources, Project administration, Investigation, acquisition, Formal analysis, Conceptualization. Xiaolin Wei: Supervision, Software, Project administration, acquisition, Conceptualization. Wangping Xu: Writing – review & editing, Supervision, Formal analysis, Conceptualization. Shixiang Zhan: Writing – original draft, Visualization, Validation, Investigation, Data curation. Huamei Zuo: Writing – original draft, Visualization, Methodology,

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

Screening sensitive materials is one of the keys to designing high-performance carbon nanotube-based field-effect transistor gas sensors. Here, we proposed a reliable way (e.g., H2S) to design sensitive materials with high efficiency based on theory and experiment. Our results demonstrated that the interaction between H2S and the sensitive materials must satisfy both energy level and parity match, and the maximum overlap of the orbital wave function. Especially, the gas ΔQ exhibits a strong linear scaling with the metal φ (ΔQ∝φ). Meanwhile...

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