Porous In2O3 thick films as a low temperature NO2 gas detector

S. P. Patil,V. L. Patil,S. A. Vanalakar,S. S. Shendage,S. A. Pawar,J. H. Kim,Jungho Ryu,Deepak R. Patil,P. S. Patil

Materials Letters（2022）

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摘要

•Surfactant free In2O3 was synthesized by hydrothermal method.•In2O3 is found to be activated at very low operating temperature of 50 °C.•The porosity boosts the gas sensing performance of In2O3.•Sensing mechanism at low operating temperature is proposed.•NO2 gas is detected at ppb level.

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关键词

In2O3 films,Hydrothermal,Gas Sensing,NO2 gas

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