Interaction of water vapor with SnO2 sensor materials: A comparison of DRIFTS and resistance measurements

R. G. Pavelko, K. Grossmann, N. Barsan, K. Shimanoe

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

3 被引用数 (Scopus)

抄録

Operando DRIFT spectroscopy together with resistance measurements was used to study sensitivity (here response change upon changing analyte concentration) of undoped SnO2 materials to water vapors. The materials synthesized using different protocols were found to manifest very different sensitivity to water, as well as to H2 and CO in dry and humid air. While for one of the materials (SnO2 Ac) low sensitivity to water combines with similarity between evolution of two bands in OH region and resistance, another material (SnO2 Cl), with high sensitivity to water vapors, manifests similarity with the resistance only for the broad band between 3590 and 3040 cm-1. Together with high sensitivity to water vapors the latter material shows higher sensitivity to CO in dry and humid air, while SnO 2 Ac showed higher sensitivity to H2.

本文言語英語
ホスト出版物のタイトルChemical Sensors 10 -and- MEMS/NEMS 10
出版社Electrochemical Society Inc.
ページ221-229
ページ数9
12
ISBN(印刷版)9781607683605
DOI
出版ステータス出版済み - 2013
イベントSymposia on Chemical Sensors 10 - Chemical and Biological Sensors and Analytical Systems and Microfabricated and Nanofabricated Systems for MEMS/NEMS 10 - 222nd ECS Meeting/PRiME 2012 - Honolulu, HI, 米国
継続期間: 10月 7 201210月 12 2012

出版物シリーズ

名前ECS Transactions
番号12
50
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

その他

その他Symposia on Chemical Sensors 10 - Chemical and Biological Sensors and Analytical Systems and Microfabricated and Nanofabricated Systems for MEMS/NEMS 10 - 222nd ECS Meeting/PRiME 2012
国/地域米国
CityHonolulu, HI
Period10/7/1210/12/12

!!!All Science Journal Classification (ASJC) codes

  • 工学一般

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