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王劲枭,韩宁,杨军,杨建峰.共沉淀法制备金、镍掺杂氧化锌的丙酮气敏性能探究[J].稀有金属材料与工程(英文),2018,47(6):1682~1688.[wang jin xiao,hanning,yangjun and Yang jian feng.Gas sensing properties of Au-activated Ni-doped ZnO nanoparticles treated by coprecipitation method for acetone[J].Rare Metal Materials and Engineering,2018,47(6):1682~1688.]
Gas sensing properties of Au-activated Ni-doped ZnO nanoparticles treated by coprecipitation method for acetone
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Received:September 27, 2016  Revised:April 26, 2017
DOI:
Key words: gas  sensor, Au-activated, acetone, response-recovery  time
Foundation item:室内空气污染物的;中国科学院百人计划项目;国家杰出青年科学基金
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wang jin xiao,hanning,yangjun and Yang jian feng  
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Abstract:
      The preparation of pure and Ni-doped ZnO from different ingredient by coprecipitation method. Then the Comparison on the response of pure and Ni-doped ZnO sensors on different Ni concentration to 20ppm acetone was investigate for the sake of finding Ni dosage of the sensors under optimum response.OnSthisSbasis, Au was added into this sensors for activate these.TheSexperimentalSresultSindicatedSthat 1mol% Ni-doped ZnO sensors are better than other sensor without Au activation.Further 0.03mol% Au activated 1mol% Ni-doped ZnO has the showStheShighest acetone gas response in all sensors and it also maintain high selective over ethanol,formaldehyde,acetone and rapid response-recovery time under this condition.