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Ti modified ZnO nanowires (NW) film has been demonstrated as an excellent Nitrogen Dioxide (NO2) sensor. Herein, Ti acts as a sensitizer to improve the sensor response, and response kinetics of ZnO NW towards NO2. The sensor exhibited an enhanced response (Rg/Ra) of 7 at an optimum operating temperature of 200oC. The observed sensing characteristics are corroborated with the finding of work function...
An electronic nose based on ZnO nanowires (NWs) for toxic gas detection has been demonstrated. In order to realize the multiple sensor array the ZnO NW film was selectively modified with Al, Ti, and Au layer resulting in an array of 4 × 3 sensor films. Data repository was prepared using an indigenously developed data acquisition system, testing chamber and a Labview based program. The data bank is...
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