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Title: PPy-metal oxide hybrid nanocomposite sensor array for simultaneous determination of volatile organic amines in high humid atmosphere
Journal: IEEE Sensors Journal
Author: 1. Hoda Jamalabadi, Ahmad Mani-Varnosfaderani, Naader Alizadeh
Year: 2017
Address: 1. Department of Chemistry, Factually of Science, Tarbiat Modares University, P.O.Box 14115-175, Tehran, Iran
Abstract: This work successfully achieved the recognition and quantitative prediction of different amine vapors in high humid atmosphere through the combination of PPy-metal oxide semiconductor (MOS) based sensor array and multiple linear regression (MLR) based signal processing technique. PPy-MOS hybrid nanocomposite films with various metal oxide semiconductor materials including WO3, NiO, ZnO-NiO and SnO2-NiO were successfully prepared and deposited on IDEs by electrospinning technique. The synthesized metal oxide particles and PPy-MOS hybrid nanocomposites were characterized in terms of their crystalline structures, morphologies and compositional features by XRD, FE-SEM and EDAX methods. The sensing performance of the designed array exposed to various alkyl amines including methyl-, dimethyl-, ethyl- and propylamine, ethanol, acetone and water vapors have been studied. The principal component analysis (PCA) was utilized to test the ability of the proposed sensor array to recognize different gas classes. MLR technique was used for simultaneous determination of amine vapors in humid atmosphere. The results showed the capability of developed fabricated sensor array for identification and quantification of different amine vapors in humid atmosphere at low temperature.
Keywords: Alkyl amine detection, Electrospinning, Hybrid gas sensor, Sensor array
Application: Sensor
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