Effect of synthesis route on electrical and ethanol sensing characteristics for LaFeO3-δ nanoparticles by citric sol-gel method
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- 作者：Ensi Cao ; 1 ; caoensi@163.com" class="auth_mail" title="E-mail the corresponding author ; Yuqing Yang1 ; Tingting Cui ; Yongjia Zhang ; Wentao Hao ; Li Sun ; Hua Peng ; Xiao Deng
- 关键词：LaFeO3 ; Sol-gel ; XPS ; Ethanol sensing ; Gas sensor
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：30 January 2017
- 年：2017
- 卷：393
- 期：Complete
- 页码：134-143
- 全文大小：4383 K
文摘
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LaFeO3-δ nanoparticles were prepared by citric sol-gel method.
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The effect of synthesis route, specifically the choosing of EG or PEG as raw material and calcination process, on the electrical and ethanol sensing characteristics were investigated for the first time.
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The reason for the improvement of sensitivity was analyzed by the consideration of surface morphology and surface composition.
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