UV Illumination Room-Temperature ZnO Nanoparticle Ethanol Gas Sensors | Zendy

Sheng-Po Chang | Zendy; KuanYu Chen | Zendy

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UV Illumination Room-Temperature ZnO Nanoparticle Ethanol Gas Sensors

Author(s) -

Sheng-Po Chang,

KuanYu Chen

Publication year - 2012

Publication title -

isrn nanotechnology

Language(s) - English

Resource type - Journals

eISSN - 2090-6072

pISSN - 2090-6064

DOI - 10.5402/2012/453517

Subject(s) - nanoparticle , materials science , annealing (glass) , analytical chemistry (journal) , algorithm , chemistry , computer science , nanotechnology , chromatography , metallurgy

Zinc oxide (ZnO) nanoparticle gas sensor was formed by spin coating. We annealed the film at 400, 600, and800 ° C for 1 hour in air to make gas sensor. The responses of gas sensor to ethanol with UV light illumination were investigated. It could be observed that the ZnO nanoparticle film annealing at800 ° C has the highest sensitivity. It can be attributed to the defects of ZnO nanoparticle film annealing at800 ° C much more than other annealing temperatures. The study shows that the ZnO nanoparticles have potential applications as RT ethanol sensors.

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