Effects of high-humidity aging on platinum, palladium, and gold loaded tin oxide-volatile organic compound sensors

Toshio Itoh, Ichiro Matsubara, Masahiro Kadosaki, Yuichi Sakai, Woosuck Shin, Noriya Izu, Maikom Nishibori

研究成果: Contribution to journalArticle

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This study is an investigation of high-humidity aging effects on the total volatile organic compound (T-VOC) gas-sensing properties of platinum, palladium, and gold-loaded tin oxide (Pt,Pd,Au/SnO2) thick films. The sensor responses of the high-humidity aged Pt,Pd,Au/SnO2, a non-aged Pt,Pd,Au/SnO2, and a high-humidity aged Pt/SnO2 to T-VOC test gas have been measured. The high-humidity aging is an effective treatment for resistance to humidity change for the Pt,Pd,Au/SnO2 but not effective for the Pt/SnO2. The mechanism of the high-humidity aging effects is discussed based on the change of surface state of the SnO2 particles.

元の言語英語
ページ(範囲)6513-6521
ページ数9
ジャーナルSensors
10
発行部数7
DOI
出版物ステータス出版済み - 7 2010

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Electrical and Electronic Engineering

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