Selective Discrimination of VOCs Applying Gas Sensing Kinetic Analysis over a Metal Oxide-Based Chemiresistive Gas Sensor

• DOI: 10.1021/acssensors.1c00115
• Publication Date: 2021-06-14T13:54:41Z
• Authors: Snehanjan Acharyya; Sudip Nag; Sanjay Kimbahune; Avik Ghose; Arpan Pal; Prasanta Kumar Guha
• Keywords: Resistive touchscreen; Tin oxide

Semiconducting metal oxide-based gas sensors have inadequate selectivity as they are responsive toward a variety of gases. Here, we report the implementation sensing kinetic analysis sensor to identify tested volatile organic compounds (VOCs) (2-propanol, formaldehyde, methanol, and toluene) precisely. A single chemiresistive was employed having tin hollow spheres material, which were obtained by chemical synthesis. The measurements conducted in dynamic manner where displayed excellent response with high sensitivity. Eley-Rideal model adopted obtain properties phenomenon through theoretical fitting transient curves their corresponding parameters. calculated characteristic further examined discriminate among different VOCs. approach using for multiple discrimination is an attractive solution mitigate problem cross-sensitivity resistive sensors.