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- W3048577532 abstract "Tin dioxide (SnO2) were mixed with (TiO2 and CuO) with concentration ratio (50, 60, 70, 80 and 90) wt% films deposited on single crystal Si and glass substrates at (523 K) by spray pyrolysis technique from aqueous solutions containing tin (II) dichloride Dihydrate (SnCl2, 2H2O), dehydrate copper chloride (CuCl2.2H2O) and Titanium(III) chloride (TiCl3) with molarities (0.2 M). The results of electrical properties and analysis of gas sensing properties of films are presented in this report. Hall measurement showed that films were n-type converted to p- type as titanium and copper oxide added at (50) % ratio. The D.C conductivity measurements referred that there are two mechanisms responsible about the conductivity, hence it possess two activation energies. Maximum sensitivity 16 % obtained for sample (SnO2)40(TiO2: CuO) 60 toward (NH3) gas at the operating temperature (473 K), whereas faster response time and recovery time were 20 (s) for (SnO2) and (SnO2)20(TiO2:CuO)80 respectively." @default.
- W3048577532 created "2020-08-18" @default.
- W3048577532 creator A5041591762 @default.
- W3048577532 date "2019-01-05" @default.
- W3048577532 modified "2023-10-17" @default.
- W3048577532 title "Characterization of (SnO2)1-x(TiO2:CuO)x films as NH3 gas sensor" @default.
- W3048577532 doi "https://doi.org/10.30723/ijp.v16i39.105" @default.
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