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Metrological parameters of semiconductor sensors of hydrogen sulfide SCS-H<sub>2</sub>S with membrane coatings based on tungsten and copper oxides

И Э АбдурахмановSamarkand State University, 15, University blv. Samarkand, 140104, UzbekistanR Kh BegmatovSamarkand State University, 15, University blv. Samarkand, 140104, UzbekistanErgashboy AbdurakhmanovSamarkand State University, 15, University blv. Samarkand, 140104, UzbekistanO N KholboevDjizzakh State Pedagogical Institute, Djizzakh, UzbekistanFarrukh KholmirzaevSamarkand State University, 15, University blv. Samarkand, 140104, Uzbekistan

IOP Conference Series Materials Science and Engineeringconference2020en

ABI

Annotatsiya

Abstract The paper shows the possibility of using metal oxides W and Cu as a gas-sensitive material of a semiconductor hydrogen sulfide sensor. The results of studying the following metrological parameters of SCS-H 2 S are presented: calibration characteristic, selectivity, measurement range and basic error, the effect of pressure on the values of the input signal and the sensor’s resistance to concentration overloads. The principle of operation of the developed semiconductor hydrogen sulfide sensor is to change the electrical conductivity of the gas-sensitive layer as a result of sorption of hydrogen sulfide.

Mavzular

Gas Sensing Nanomaterials and Sensors Advanced Chemical Sensor Technologies Chemical Thermodynamics and Molecular Structure

Identifikatorlar

DOI: 10.1088/1757-899x/862/6/062084

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