Dodecane Sensing with Double Substituted LaCoO3 Nanowires Deposited by Reactive Magnetron Sputtering

Mohammad Arab Pour Yazdi; Jean Baptiste Sanchez; Eric Monsifrot; Pascal Briois; Franck Berger; Alain Billard

doi:10.4028/www.scientific.net/KEM.543.192

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 543Dodecane Sensing with Double Substituted LaCoO3...

Dodecane Sensing with Double Substituted LaCoO₃ Nanowires Deposited by Reactive Magnetron Sputtering

Abstract:

This paper reports results of dodecane-sensing studies with double-substituted LaCoO₃ perovskite oxide nanowires. La_0.40Sr_0.15Ag_0.45CoO_3-α nanowires were co-sputtered from metallic La, Sr, Ag and Co targets in the presence of a reactive argon-oxygen gas mixture. As deposited coatings are amorphous and crystallise in the perovskite structure after annealing at 873 K for 2 hours under air. Electrical response of the La_0.40Sr_0.15Ag_0.45CoO_3-α nanowires was measured at different temperature under air and under air containing 1 to 100 ppm (v) of dodecane vapour. The electrical signal of the nanowires was found to be high and it was possible to detect low concentrations of dodecane (under 5 ppm (v) ) at 573 K.

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Periodical:

Key Engineering Materials (Volume 543)

Pages:

192-195

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.543.192

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Online since:

March 2013

Authors:

Mohammad Arab Pour Yazdi, Jean Baptiste Sanchez, Eric Monsifrot, Pascal Briois, Franck Berger, Alain Billard

Keywords:

Dodecane Sensor-Chemical Gas Sensor, LaCoO₃, Perovskite Nanowires, Sputtering

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