Nonconventional phthalocyanines for field effect gas detection

Abstract Metal (TiO and Zn) phthalocyanines that are not currently investigated for gas sensing applications have been deposited by thermal vacuum evaporation as thin layers and evaluated in operando Kelvin Probe setup as NO 2 sensing materials. From the raw data their calibration curves have been inferred and some sensing parameters determined. Comparative conductometric evaluations have also been performed. On the basis of the experimental information the main peculiarities of the gas responses have been identified and discussed.

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