Abstract

ZnO nanostructures were deposited by SILAR technique on commercially available light emitting diode (LED: λ(emission) ~ 370–400 nm) to minimize the light loss with low power consumption for light assisted vapor detection. XRD studies confirmed polycrystalline nature and morphology analysis shows formation of randomly oriented nanowires of ZnO. Light-assisted acetone detection in the mixed vapor environment such as formaldehyde, toluene, xylene and n-Butanol was studied. Also, an acetone detection mechanism under light illuminated condition was proposed.

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