کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1669201 | 1008880 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Response kinetics of a fiber-optic gas sensor using Pt/WO3 thin film to hydrogen
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Response kinetics of a fiber-optic hydrogen gas sensor in air- and inert-atmosphere were characterized. The sensor is mainly based on the evanescent field interaction in hydrogen sensitive cladding which is used Platinum-supported tungsten trioxide (Pt/WO3). When the sensor was exposed to 1 vol.% H2/air and H2/N2 gas, the changes in optical power propagating through the fiber were about 30% and 50%, respectively. The detection limit was about 0.1 vol.% in air-atmosphere. The humidity dependence of the response kinetics was also evaluated. While the response speed in N2-atmosphere was accelerated, the speed in air-atmosphere was suppressed by the humidity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 517, Issue 16, 30 June 2009, Pages 4650–4653
Journal: Thin Solid Films - Volume 517, Issue 16, 30 June 2009, Pages 4650–4653
نویسندگان
N. Matsuyama, S. Okazaki, H. Nakagawa, H. Sone, K. Fukuda,