Effect of SiO2 Overlayer on WO3 Sensitivity to Ammonia
Ammonia gas sensing properties of tungsten trioxide thick film sensor was investigated. The doping of noble catalysts such as Pt, Pd, Au enhanced the gas sensitivity. Platinum doping was found to result in highest sensitivity. Remarkable sensitivity enhancement was realized by coating WO3 thick film...
Main Authors: | Vibha Srivastava, Kiran Jain |
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Format: | Article |
Language: | English |
Published: |
IFSA Publishing, S.L.
2010-06-01
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Series: | Sensors & Transducers |
Subjects: | |
Online Access: | http://www.sensorsportal.com/HTML/DIGEST/june_2010/P_637.pdf |
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