The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD

碩士 === 大同工學院 === 材料工程研究所 === 86 === In this study, the sensor was fabricated by using PECVD process and Tetramethyltin and O2 as precusors ; further, SnO2 thin films were deposited on comb-shaped electrode. To stabilize the microstructure and electrical properties of gas sensors, thin fil...

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Main Authors: Hsiung Cheng-Fu, 熊承福
Other Authors: Ko-Shao Chen
Format: Others
Language:zh-TW
Published: 1998
Online Access:http://ndltd.ncl.edu.tw/handle/59914601892024992218
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spelling ndltd-TW-086TTIT01590032015-10-13T17:34:49Z http://ndltd.ncl.edu.tw/handle/59914601892024992218 The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD 電漿CVD法製備氧化錫薄膜氣體感測器之研究 Hsiung Cheng-Fu 熊承福 碩士 大同工學院 材料工程研究所 86 In this study, the sensor was fabricated by using PECVD process and Tetramethyltin and O2 as precusors ; further, SnO2 thin films were deposited on comb-shaped electrode. To stabilize the microstructure and electrical properties of gas sensors, thin film was annealed or doped with antimony to investigate the influence of microstructure in the characteristic of films.As a result of the study, gas sensitivity was found to decrease with annealing temperature in the range of 330℃ to 630℃. At 430℃, it shows maximum gas sensitivity of 7.9 and 2.9 for 2000ppm H2 and 2000ppm ethanol gas, respectively. The other hand, film sensitivity follows the rise of operating temperature and gas concentration. Doping antimony decrease film resistance, with no help in promoting gas sensitivity of films. Ko-Shao Chen 陳克紹 1998 學位論文 ; thesis 0 zh-TW
collection NDLTD
language zh-TW
format Others
sources NDLTD
description 碩士 === 大同工學院 === 材料工程研究所 === 86 === In this study, the sensor was fabricated by using PECVD process and Tetramethyltin and O2 as precusors ; further, SnO2 thin films were deposited on comb-shaped electrode. To stabilize the microstructure and electrical properties of gas sensors, thin film was annealed or doped with antimony to investigate the influence of microstructure in the characteristic of films.As a result of the study, gas sensitivity was found to decrease with annealing temperature in the range of 330℃ to 630℃. At 430℃, it shows maximum gas sensitivity of 7.9 and 2.9 for 2000ppm H2 and 2000ppm ethanol gas, respectively. The other hand, film sensitivity follows the rise of operating temperature and gas concentration. Doping antimony decrease film resistance, with no help in promoting gas sensitivity of films.
author2 Ko-Shao Chen
author_facet Ko-Shao Chen
Hsiung Cheng-Fu
熊承福
author Hsiung Cheng-Fu
熊承福
spellingShingle Hsiung Cheng-Fu
熊承福
The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
author_sort Hsiung Cheng-Fu
title The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
title_short The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
title_full The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
title_fullStr The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
title_full_unstemmed The Study of SnO2 Thin Films Gas Sensors Prepared by PECVD
title_sort study of sno2 thin films gas sensors prepared by pecvd
publishDate 1998
url http://ndltd.ncl.edu.tw/handle/59914601892024992218
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