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Studies of nanocomposite of Polyaniline with gold nanoparticles and Schottky junction with aluminium for electrical and CO2 gas sensing properties |
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| Authors: | P J Saikia P C Sarmah A Rahman |
| Institution: | 1. Department of Physics and Electronics, J.B. College, Jorhat-1, Assam, India 2. Electronics and Instrumentation Division, CSIR-North-East Institute of Science and Technology, Jorhat, Assam, India 3. Department of Physics, Gauhati University, Assam, India |
| Abstract: | Gold nanocomposite of Polyaniline was prepared by chemical synthesis method and its thin film was made by drop casting. The Schottky junction of thin film was fabricated with aluminium metal. TGA analysis of the sample showed good stability. Current density-voltage characteristics of the junction showed good rectifying nature. The diode ideality factor is greater than unity. The junction showed good sensitivity to CO2 gas with decrease of forward current. The response time of the junction to CO2 showed good repeatability and recovery time is about 52 s. |
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