Abstract:Ahstract-Ammonia sensing properties of pure and Al compared. Al modified W03 thin films exhibited a superior modified W03 thin films prepared using RF sputtering sensing performance towards NH3.have been investigated. Both the sensor films exhibited a maximum response at an operating temperature of 250°C.Modification with Al has been demonstrated to improve the response kinetics in particular the response time (6 min) in comparison to that of pure W03 (8 min) towards NH3 (100 ppm). Interestingly, both the sens… Show more
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