Preparation and characterization of vacuum deposited semiconducting nanocrystalline polymeric thin film sensors for detection of HCl
作者： SCK Misra , Prafull Mathur , Maneesha Yadav , MK Tiwari , SC Garg
DOI: 10.1016/J.POLYMER.2004.10.010
关键词:
摘要: Abstract Detection and monitoring of hazardous species like HCl, by fast, simple, cost effective, highly specific selective devices is the main issue for environmental scientists. The currently available detection methods are either indirect or time consuming expensive. These sensors operated at high temperatures response very slow. nanocomposite polymeric combinations have come out as efficient gases. Nanocomposite copolymers aniline formaldehyde synthesized chemical polymerization with metal complex Fe–Al been found to act HCl. Thin films doped copolymer evaporated under vacuum on various substrates mica glass exhibit stability, sensitivity, selectivity a fast towards presence HCl vapors in air. High specificity obtained optimization doping (Fe–Al) during synthesis. operate room temperature. preparation, optical, electrical, structural characterization behavioral acceptance test gas sensing properties these reported here.
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