Extending the toolbox for gas sensor research: Operando UV/vis diffuse reflectance spectroscopy on SnO₂-based gas sensors

详细信息    查看全文

• 作者：David Degler^aAuthor Vitae ; Natascha Barz^aAuthor Vitae ; Ulf Dettinger^bAuthor Vitae ; Heiko Peisert^bAuthor Vitae ; Thomas Chass&eacute ; ^bAuthor Vitae ; Udo Weimar^aAuthor Vitae ; Nicolae Barsan^a ; ^{nb@ipc.uni-tuebingen.de" class="auth_mail" title="E-mail the corresponding author}Author Vitae
• 关键词：SnO2 ; Gas sensor ; Operando spectroscopy ; UV/vis
• 刊名：Sensors & Actuators: B. Chemical
• 出版年：2016
• 出版时间：1 March 2016
• 年：2016
• 卷：224
• 期：Complete
• 页码：256-259
• 全文大小：674 K

文摘

This work demonstrates the feasibility and benefit of operando UV/vis spectroscopy on SnO₂-based gas sensors. The results on the different SnO₂ sensing materials studied show an effect of the material's calcination temperature on the optical band gap and further indicate a dependence of the amount of reducible SnO₂ on the grain size. To our knowledge this is the first report of a successful measurement of UV/vis spectra recorded from an operating gas sensor.