Electro-physical properties of thin films based on metal-containing polyacrylonitrile for application in low temperature gas sensors

2nd International Conference on Design, Materials, and Manufacturing

材料科学;机械制造

Semenistaya, T.V.^1 ; Ivanenko, A.V.^1

Engineering-Technological Academy, Southern Federal University, 44 Nekrasovskiy Lane, Taganrog

347928, Russia^1

关键词: Gas sensing properties;    Gas sensitivity;    Gasoline vapours;    Initial solution;    Low temperatures;    Polyacrylonitrile (PAN);    Process parameters;    Resistance values;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/220/1/012003/pdf
DOI  :  10.1088/1757-899X/220/1/012003

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The metal-containing (Cu, Co, Ag, Cr) polyacrylonitrile (PAN) thin films were fabricated using IR-pyrolysis under low vacuum conditions in different temperature and time modes. The thickness of the fabricated films was between 0.01÷0.68 μm. The metal-containing PAN films had the resistance values in the range from 2.9•102to 5.1•1011Ohm. It has been investigated that the film thickness, resistance and gas sensitivity of the samples depends on the composition of the initial solution and on the process parameters of the film material's fabrication. It has been studied that the samples demonstrate gas-sensing properties to CO, NO2, Cl2and gasoline vapours at room temperature.