| 一种新型半导体气体传感器 |
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| 引用本文： | 付敏恭,钟仕科.一种新型半导体气体传感器[J].应用化学,1985,0(4):83-85. |
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| 作者姓名： | 付敏恭 钟仕科 |
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| 作者单位： | 江西大学 |
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| 摘 要： | 气体传感器的结构形式通常有接触燃烧型、陶瓷烧结型和气敏感场效应晶体管型等。陶瓷烧结型的传感方式是基于金属氧化物半导体(如SnO2、ZnO和γ-Fe2O3)吸附气体分子后表面电阻发生变化的原理来实现的(1-3)。
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| 收稿时间： | 1985-01-21 |
| 修稿时间： | 1985-05-06 |
A NEW TYPE OF SEMICONDUCTOR GAS SENSOR |
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| Fu Mingong,Zhong Shike.A NEW TYPE OF SEMICONDUCTOR GAS SENSOR[J].Chinese Journal of Applied Chemistry,1985,0(4):83-85. |
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| Authors: | Fu Mingong Zhong Shike |
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| Institution: | Department of Chemistry and Department of Physics of Jiangxi University |
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| Abstract: | A new vacuum deposition method for the preparation of SnO2 gas sensor element was describcd. Sn was first deposited directly on the surface of a hollow ceramic cylinder, the metallic tin on the cylinder was afterwards oxidized into SnO2· Pd powder,used as catalyst, was coated on the surface of SnO2 and a heater was placed in the hollow part of the cylinder. The SnO2 gas sensor element thus obtained show a good sensitivity to reducible gases such as H2, C2H5OH etc. |
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