Using Shear Horizontal Surface Acoustic Wave with Polyaniline Film as Ammonia Sensor
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概要
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A shear horizontal surface acoustic wave (SH-SAW) sensor coated with polyaniline (PANI) was investigated in this study. The SH-SAW phase and attenuation were measured using a network analyzer. The sensor presented a sensitivity of 0.23 deg/ppm at 25°C. The minimum detection level was estimated to be 0.07 ppm at 25°C. Otherwise, the response of the SH-SAW sensor immediately followed the ammonia gas concentration. Hence, the SH-SAW coated with PANI exhibited an excellent response for detecting ammonia at room temperature.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-04-15
著者
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Shen Yu-tang
Department Of Electrical Engineering I-shou University
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WU Long
CTO, ftech Corporation
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Huang Cheng-liang
Department Of Electrical Enggineering National Cheng-kung University
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Wu Long
CTO, ftech Corporation, Tainan, Taiwan 741, R.O.C.
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Shen Yu-Tang
Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan 701, R.O.C.
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Huang Cheng-Liang
Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan 701, R.O.C.
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