Recovery properties after H<SUB>2</SUB>S catalytic poisoning of catalytic-type gas sensor with photo-catalysts and UV radiation have been examined. Each sensing material of the sensor consists of Pd, Pt supported on γ-Al<SUB>2&...
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https://www.riss.kr/link?id=A107757694
Hong, D.U. ; Han, C.H. ; Park, S.H. ; Kim, I.J. ; Gwak, J. ; Han, S.D. ; Kim, H.J.
2009
-
KCI등재,SCOPUS,SCIE
학술저널
172-178(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Recovery properties after H<SUB>2</SUB>S catalytic poisoning of catalytic-type gas sensor with photo-catalysts and UV radiation have been examined. Each sensing material of the sensor consists of Pd, Pt supported on γ-Al<SUB>2&...
Recovery properties after H<SUB>2</SUB>S catalytic poisoning of catalytic-type gas sensor with photo-catalysts and UV radiation have been examined. Each sensing material of the sensor consists of Pd, Pt supported on γ-Al<SUB>2</SUB>O<SUB>3</SUB> and Pd/titanate, Pt/titanate nanotubes or TiO<SUB>2</SUB> particles. Pd/titanate and Pt/titanate nanotubes photo-catalyst were synthesized by hydrothermal synthesis method. All the sensors were deactivated after 500ppm H<SUB>2</SUB>S exposure for 20h. The sensors with Pd/titanate or Pt/titanate nanotubes showed regenerated voltage response under UV radiation. However the sensor with TiO<SUB>2</SUB> particles showed negligible regenerated voltage response. Regenerated voltage response with Pd/titanate or Pt/titanate nanotubes may stem from location of Pd or Pt catalyst on the titanate nanotube photo-catalyst.
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