The Preparation of Cu-doped ZnO and Its Gas Sensing Properties

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The Preparation of Cu-doped ZnO and Its Gas Sensing Properties

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[1]Xuan Tianmei,Sun Jianwu,Ge Meiying,et al.The Preparation of Cu-doped ZnO and Its Gas Sensing Properties[J].Journal of Zhengzhou University (Engineering Science),2017,38(02):88-91.[doi:10.13705/j.issn.1671-6833.2017.02.019]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 38 Number of periods: 2017 02 Page number: 88-91 Column: Public date: 2017-04-28

Title:: The Preparation of Cu-doped ZnO and Its Gas Sensing Properties

Author(s):: Xuan Tianmei1; Sun Jianwu1; Ge Meiying2; Yin Guilin2; He Dannon1; 1. School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai, 200240; 2. National Engineering Research Center of Nanotechnology and Application, Shanghai, 200241

Keywords:: CuO-doped ZnO; hydrothermal method; hydrogen sulfide; gas sensors; selectivity

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2017.02.019

Abstract:: CuO doped zinc carbonate was fabricated by hydrothermal method with zinc nitrate and urea,acetic acid copper and polyvinylpyrrolidone (PVP) as raw material.And the porous zinc oxide was obtained after calcinating.XRD,SEM were used to characterize the structure and morphology of samples.And the effects of CuO-doping on the properties of sulfide hydrogen sensitivity were studied.The results showed that CuO-doped porous zinc oxide for hydrogen sulfide had the better sensitivity,selectivity and stability.It turned out that the device showed the best response at 180 C and the sensitivity could reach 60 to 10 mg/L hydrogen sulfide.It had almost no response to other gases.The porous structure of copper doped zinc oxide could be used in the preparation of sulfide hydrogen sensor.

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