Tin Oxide (SnO2) Doped with Polypyrrole (PPy) Screen-printed Multilayer CO2 Gas Sensor
Bhuyar R S
Department of Physics, Vidya Bharati Mahavidyalaya, CK Naidu Road, Amravati, M.S., India
Raulkar R B
Department of Physics, Vidya Bharati Mahavidyalaya, CK Naidu Road, Amravati, M.S., India
Lamdhade G T
Department of Physics, Vidya Bharati Mahavidyalaya, CK Naidu Road, Amravati, M.S., India
78-83
Vol: 13, Issue: 2, 2023
Receiving Date:
2023-06-10
Acceptance Date:
2023-06-24
Publication Date:
2023-06-29
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http://doi.org/10.37648/ijrst.v13i02.011
Abstract
The multilayer thick films series of sensors (SnO2-PPy) tested for CO2 gas sensing application in the concentration range from 200 ppm to 2000 ppm, sensitivity increases is very small upto 1200ppm but beyond 1400 ppm of CO2 gas concentration, sensitivity becomes maximum. With further increase in CO2 gas concentration, sensitivity decreases. Static responses of the series of (SnO2:PPy) system also studied at 1000, 1200 and 1400 ppm of CO2 gas concentration. sensor shows less response time and less recovery time, F5 sensor is faster in operation that other prepared sensors. F5 sensor (92SnO2:8 PPy) offers high sensitivity, rapid response and recovery to CO2 gas.
Keywords:
SnO2-PPy; multilayer thick films; CO2 Gas Sensors
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