Highly Flexible and Conducting Polymer Nanocomposite Films for Selective Gas Sensing Applications. (2019)

• Record Type: Journal Article
• Authors: Mahesh, ; Subbaiah, K.M.; Nithin, K.S.; Raj, B.M. Jagajeevan; Shivanna, Sachhidananda
• Is Part Of: Materials today. Volume 9:Part 3(2019)
• Page Start: 515
• Page End: 521
• Publication Date: 2019
• Subjects: Conducting polymer -- Flexible gas sensor -- CO2 and LPG; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2018.10.370
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: Fabrications of gas sensor with real time and capable analysis at room temperature have gained immense attentions of the scientific community. Hazardous caused by gases and considering the human health, gas sensor is designed by combining organic and inorganic biocompatible materials. Here we report metal-organic thick films which were fabricated by solution intercalation method, for better molecular interaction and homogeneous dispersion of filler. After the intercalation of AlFeO3 (∼50 - 60 nm) in to polymer Poly (vinyl alcohol) (PVA), drastic changes in structural and morphology of the film were conducted by using Scanning electron microscope (SEM). After effective doping with metal oxide, PVA is ended with superior conducting property and it was examined by Keithley 2400. However, conductance of the PVA/AlFeO3 is examined in the presence of the carbon dioxide (CO2 ) and liquid petroleum gas (LPG). Further in order to stabilize the sensing ability of PVA/AlFeO3 the concentration of the gas molecules is maintained from minimum to maximum (50 ppm to 1000 ppm). The recorded Response plots and high sensitivity towards CO2 and LPG detection confirms that designed flexible PVA/AlFeO3 is very potential and it can be used as environmental monitor