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Design and Implementation of an Intelligent System for Detection of Hazardous Gases using PbPc Sensor Array

Authors: Nidal F. Shilbayeh, Mahmoud Z. Iskandarani

Abstract:

The voltage/current characteristics and the effect of NO2 gas on the electrical conductivity of a PbPc gas sensor array is investigated. The gas sensor is manufactured using vacuum deposition of gold electrodes on sapphire substrate with the leadphathalocyanine vacuum sublimed on the top of the gold electrodes. Two versions of the PbPc gas sensor array are investigated. The tested types differ in the gap sizes between the deposited gold electrodes. The sensors are tested at different temperatures to account for conductivity changes as the molecular adsorption/desorption rate is affected by heat. The obtained results found to be encouraging as the sensors shoed stability and sensitivity towards low concentration of applied NO2 gas.

Keywords: software, Intelligent System, neural, Hardware, Gas Sensor, PbPc

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1332272

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