Pure and Au incorporated WO3 thin films have been investigated for their sensing properties towards CO. Pure WO3 sensor film exhibited an increase in resistance while Au: WO3 films showed opposite behavior i.e. a decrease in resistance. We propose mechanism(s) for this anomalous sensing behavior of CO.
Opposite response of CO for WO3 and Au: WO3 sensors
Niranjan S. Ramgir, S. Kailasa Ganapati, N. Datta, M. Kaur, A. K. Debnath, D. K. Aswal, S. K. Gupta; Opposite response of CO for WO3 and Au: WO3 sensors. AIP Conf. Proc. 9 June 2012; 1447 (1): 679–680. https://doi.org/10.1063/1.4710185
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