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Analysis of the Response Characteristics of Toluene Gas Sensors with a ZnO Nanorod Structure by a Heat Treatment Process
- Kwon, Dae-Hwan;
- Jin, Eui-Hyun;
- Yoo, Dae-Hwang;
- Roh, Jong-Wook;
- Suh, Dongjun;
- 외 2명
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7초록
The sensing characteristics of toluene gas are monitored by fabricating ZnO nanorod structures. ZnO nanostructured sensor materials are produced on a Zn film via an ultrasonic process in a 0.01 M aqueous solution of C6H12N4 and Zn(NO3)(2)center dot 6H(2)O. The response of the sensors subjected to heat treatment in oxygen and nitrogen atmospheres is improved by 20% and 10%, respectively. The improvement is considered to be correlated with the increase in grain size. The relationship between the heat treatment and sensing characteristics is evaluated.
키워드
heat treatment; ZnO nanorod; metal oxide semiconductor gas sensor; toluene gas; MECHANISM; VOCS
- 제목
- Analysis of the Response Characteristics of Toluene Gas Sensors with a ZnO Nanorod Structure by a Heat Treatment Process
- 저자
- Kwon, Dae-Hwan; Jin, Eui-Hyun; Yoo, Dae-Hwang; Roh, Jong-Wook; Suh, Dongjun; Commerell, Walter; Huh, Jeung-Soo
- 발행일
- 2022-06
- 유형
- Article
- 저널명
- Sensors
- 권
- 22
- 호
- 11
- 언어
- ENG
- 출판사
- MDPI
- 발행국가
- 스위스
- ISSN
- E 1424-8220