基于羧基烷硫醚自组装单层修饰Au/GaAs肖特基二极管的乙醇蒸气传感器

2009 IEEE Sensors Pub Date : 2009-12-01 DOI:10.1109/ICSENS.2009.5398563

P. Lin, Yen-I Chou, Wen-Chau Liu, Chieng-Chi Tung, Huey-Ing Chen

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摘要

本文制备了基于羧基烷硫酸酯自组装单层(SAMs)修饰Au/GaAs肖特基二极管的乙醇蒸汽传感器。采用循环伏安法(CV)研究了不同碳数的SAMs在Au(111)表面的吸附和排列。此外，还研究了乙醇蒸汽浓度和操作温度对传感性能的影响。

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Ethanol vapor sensors based on carboxyl- alkanethiolate self-assembled monolayers modified Au/GaAs Schottky diodes

Ethanol vapor sensors based on carboxyl-alkanethiolate self-assembled monolayers (SAMs) modified Au/GaAs Schottky diodes were fabricated in this work. The adsorption and arrangement of SAMs with different carbon number on the Au(111) surface were studied by using cyclic voltammetry (CV). Moreover, effects of ethanol vapor concentration and operating temperature on sensing performances were investigated.

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2009 IEEE Sensors

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