Acetone-sensing properties of ZnO–noble-metals composite nano-structures and their improvement by light irradiation

G. Atanasova, T. Dilova,A. Og. Dikovska, Ro. G. Nikov,N. N. Nedyalkov

Thin Solid Films（2022）

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摘要

•High porosity composite structures consisting of ZnO and noble metal were produced.•Composite samples were used as a sensor element activated by UV light.•The highest response to acetone exposure exhibits the PdAg-ZnO sensor element.•Bimetallic PdAg NPs act as catalytic particles as Ag promoting the Pd activity.•Additional red-light irradiation of the sensor surface changes the sensor response.

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关键词

Atmospheric pulsed-laser deposition, Nanostructure,Nanoparticles, Gas sensors, Acetone sensor

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