Research on gas sensor based on SnS

ZHANG Yi-xiang; FU Tie-xiang

doi:10.13873/j.1000-97872012.08.039

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Research on gas sensor based on SnS

更新时间：2025-09-11

- Research on gas sensor based on SnS
- Vol. 31, Issue 8, Pages: 15-16+20(2012)
- 作者机构：
  
  长沙理工大学化学与生物工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.08.039
  CLC： TP212.2
- Published：2012
- 稿件说明：
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[1]张一翔,傅铁祥.基于SnS的气敏元件研究[J].传感器与微系统,2012,31(08):15-16+20.

ZHANG Yi-xiang, FU Tie-xiang. Research on gas sensor based on SnS[J]. 2012, 31(8): 15-16+20.
[1]张一翔,傅铁祥.基于SnS的气敏元件研究[J].传感器与微系统,2012,31(08):15-16+20. DOI： 10.13873/j.1000-97872012.08.039.

ZHANG Yi-xiang, FU Tie-xiang. Research on gas sensor based on SnS[J]. 2012, 31(8): 15-16+20. DOI： 10.13873/j.1000-97872012.08.039.

摘要

以气相的H2S和液相的Na2S溶液2种沉淀剂与SnCl2溶液分别在室温和50℃下制备得到4种SnS晶体。通过扫描电镜（SEM）表征观察了4种晶体粉末的颗粒大小和表面状况。对其低温下气敏性测试表明:4种晶体都对NH3有很好的响应

尤其是在工作电压10 V的条件下

NH3浓度范围0.014 8～0.148 mmol/L内

各个样品拥有最高的灵敏度。最快的响应时间为1.5 min

最快的恢复时间为52 s。SnS作为气敏材料在节能传感器开发和检测NH3泄漏方面有一定的应用前景。

Abstract

Four kinds of SnS crystal are prepared by two methods which use H2S in gas phase and Na2S solution reacting with SnCl2 solution at room temperature and 50℃ respectively.The grain size and surface status of the four kinds of powder are characterized by the scanning electron microscopy（SEM）.The gas sensitivity test at low temperature shows good response to NH3 and the sensitivity value is up to the maximum within the NH3 concentration range of 0.0148～0.148mmol/L at the working voltage of 10V especially.The shortest response time is 1.5min

and the shortest recovery time is 52s.The material of SnS as the gas sensing material has application prospect in developing energy-saving sensor and detecting the leakage of NH3.

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references

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Selective modified SnO2-based materials for gas sensors arrays [J] . V. Krivetsky,A. Ponzoni,E. Comini,M. Rumyantseva,A. Gaskov. Procedia Chemistry . 2009 (1)

Fabrication of vacuum-evaporated SnS / CdS heterojunction for PV applications [J] . B. Ghosh,M. Das,P. Banerjee,S. Das. Solar Energy Materials and Solar Cells . 2008 (9)

Structural and chemical transformations in SnS thin films used in chemically deposited photovoltaic cells [J] . David Avellaneda,Guadalupe Delgado,M.T.S. Nair,P.K. Nair. Thin Solid Films . 2007 (15)

Surface characterization of nanostructured metal and ceramic particles [J] . P. Luo,T.G. Nieh,A.J. Schwartz,T.J. Lenk. Materials Science & Engineering A . 1995 (1)

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