The Strategy to Control the Morphology of ZnO Nanostructure UV Sensor (original) (raw)

2015, IOP Conference Series: Materials Science and Engineering

The larger surface-area-to-volume ratio compared with their bulk counterpart, Nanomaterials based electronic devices are the subject of keen interest, probably because of cost effective nature and fast sensing capabilities. Moreover the control morphology at specific area of electrodes is a challenging task. Therefore in the current research article the ZnO thin film and ZnO nanorods were selectively deposited by low cost sol-gel and hydrothermal growth process at the selective area of microgap electrodes spacing and further electrically tested for ultraviolet (UV) sensing application. On exposure to ultraviolet (UV) light the current gains, response/recovery times, repeatability, of the fabricated sensors displayed the promising application for UV light detection. The surface morphologies structural, optical and electrical properties of the as synthesized nanostructures ZnO were characterized using SEM, XRD, and source meter respectively.

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