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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51806

Title: Novel Electrochromic Device (ECD) of Tungsten Oxide (WO3) Thin Film Integrated with -SiGe Photodetector for Hydrogen Sensor
Authors: K.H. Lee
Y.K. Fang
W.J. Lee
J.J. Ho
K.H. Chen
K.C. Liao
Contributors: 國立臺灣海洋大學電機工程學系
Date: 2000-12
Issue Date: 2018-12-25T01:29:05Z
Publisher: Sensors and Actuators B
Abstract: Abstract: A new electrochromic device (ECD) is developed by tungsten oxide (WO3) thin film integrated with a-Si1−XGeX:H pin photodetector. With the addition of the palladium (Pd) film to ionize hydrogen gas, the WO3 thin film will react with hydrogen ion and transfer from transparency to blue color. This color change will degrade the absorption of light with a wavelength larger than the blue color. Therefore, the photocurrent generated by a-Si1−XGeX:H pin photodetector will be lowered down, thus detecting the existing of hydrogen gas. Especially, the WO3-pin hydrogen sensor also shows highly selectivity with hydrogen gas to separate from CO and C2H5OH gases.
Relation: 69(1) pp.96-99
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51806
Appears in Collections:[電機工程學系] 期刊論文

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