Room-temperature highly sensitive nitrogen dioxide sensor using zinc complex film

被引：5

作者：

Fu, Tiexiang ^{[1
]}

机构：

[1] Changsha Univ Sci & Technol, Dept Chem, Changsha 410004, Hunan, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 169卷

关键词：

Gas sensor; Nitrogen dioxide; Zn-3(bipyO(2))(4)Cl-4]Cl-2; Complex; Gas-sensing mechanism; GAS-SENSING PROPERTIES; THIN-FILMS; CRYSTAL-STRUCTURE; THICKNESS; TRANSITION; AMMONIA; SNO2; H2S;

D O I：

10.1016/j.snb.2012.01.066

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, a systematic study of the NO2 gas sensing properties of the sensors based on a [Zn-3(bipyO(2))(4)Cl-4]Cl-2 (bipyO(2): 2.2'-bipyridine-N,N'-dioxide) complex film is presented for the first time. The sensors gave a good response to NO2 at room temperature. The response attained more than 1670 at high concentrations and a 15V operating voltage. The responses to other test gases were poor. The influences of the operating voltage and the working temperature on the responses to NO2 gas were also studied. The optimum operating voltage of the sensor was 15V. The sensor showed satisfactory reproducibility and stability in air. The gas-sensing mechanism of the sensor was discussed. (C) 2012 Published by Elsevier B.V.

引用

页码：39 / 45

页数：7

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