基于PEDOT:PSS的灵敏气体传感器的计算特性

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Iet Circuits Devices & Systems Pub Date : 2022-04-30 DOI:10.1049/cds2.12119

Mokhtar Aarabi, Alireza Salehi, Alireza Kashaninia

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引用次数: 0

摘要

采用基于密度泛函理论的非平衡格林函数形式，研究了聚(3,4-乙烯二氧噻吩)聚苯乙烯磺酸盐(PEDOT:PSS)与气体小分子的相互作用。提出的方法在Tran SIESTA代码中实现，以受益于PEDOT:PSS作为气体传感器的潜在应用。结果表明，纳米颗粒的掺杂可以显著提高聚合物基化学气体传感器的灵敏度。此外，在各种PEDOT:PSS掺杂材料中，银纳米粒子对氨的响应较好，而铂对二氧化碳的响应最好。数值计算结果可为基于PEDOT: pss的气体传感器设计提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Calculated characterisation of a sensitive gas sensor based on PEDOT:PSS

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Calculated characterisation of a sensitive gas sensor based on PEDOT:PSS

The interactions between poly (3,4-ethylene dioxythiophene) poly (styrenesulfonate) (PEDOT:PSS) and small gas molecules are studied using non-equilibrium Green's function formalism based on the density functional theory. The proposed method is implemented in the Tran SIESTA code to benefit from the potential application of PEDOT:PSS as a gas sensor. The results show that doping with nanoparticles can drastically improve the sensitivity of polymer-based chemical gas sensors. Moreover, among various PEDOT:PSS doping materials, silver nanoparticles have an appropriate response to ammonia, while platinum shows the best response to carbon dioxide. The numerical results can be useful to design PEDOT:PSS-based gas sensors.

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来源期刊

Iet Circuits Devices & Systems 工程技术-工程：电子与电气

CiteScore

3.80

自引率

7.70%

发文量

审稿时长

3 months

期刊介绍： IET Circuits, Devices & Systems covers the following topics: Circuit theory and design, circuit analysis and simulation, computer aided design Filters (analogue and switched capacitor) Circuit implementations, cells and architectures for integration including VLSI Testability, fault tolerant design, minimisation of circuits and CAD for VLSI Novel or improved electronic devices for both traditional and emerging technologies including nanoelectronics and MEMs Device and process characterisation, device parameter extraction schemes Mathematics of circuits and systems theory Test and measurement techniques involving electronic circuits, circuits for industrial applications, sensors and transducers