2019
DOI: 10.1002/pssb.201800296
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SnO­2 Tailored by CuO for Improved CH4 Sensing at Low Temperature

Abstract: Trace level methane (CH4) detection is demonstrated at low temperature. Functional metal oxide of SnO2 tailored by CuO is prepared via a co‐precipitation chemical route followed by annealing in air. Raman spectroscopy confirms presence of Ag mode of CuO at 290 cm−1 along with A1g mode of SnO2 at 630 cm−1. Results from the X‐ray diffraction and transmission electron microscope indicate that both crystalline SnO2 and CuO are present in the composite. Particle size of SnO2 is found to be larger in the composite t… Show more

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Cited by 15 publications
(4 citation statements)
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“…CO2 acts as an oxidizing agent in some chemical reactions, such as the production of carbonates. It can also participate in redox reactions, where it can accept electrons and become reduced and hence its resistance increases with increase of CO2 gas concentration [16]. The sensitivity of the sensor is given by, gas air…”
Section: Detection Of Co2 Gas: Gas Sensing Propertiesmentioning
confidence: 99%
“…CO2 acts as an oxidizing agent in some chemical reactions, such as the production of carbonates. It can also participate in redox reactions, where it can accept electrons and become reduced and hence its resistance increases with increase of CO2 gas concentration [16]. The sensitivity of the sensor is given by, gas air…”
Section: Detection Of Co2 Gas: Gas Sensing Propertiesmentioning
confidence: 99%
“…Dipankar Panda 2019 [8] prepared functional metal oxide of SnO2 tailored by CuO via a coprecipitation chemical route followed by annealing in air.…”
Section: International Journal Of Research In Science and Technologymentioning
confidence: 99%
“…[ 3,4 ] However, the current MOS‐based CH 4 sensors suffer from low sensitivity, poor selectivity, and slow response speed. [ 5–7 ]…”
Section: Introductionmentioning
confidence: 99%