ZnO based ultraviolet photodetectors

ZnO based ultraviolet photodetectors

Highly sensitive ultraviolet photodetector using ZnO thin films

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The conventional UV photodetectors like vacuum diode, photomultiplier tubes etc are bulky devices which needs vacuum and also costly cathode targets. The modern photodetectors are based on the wide band gap semiconductor materials in which band to band transition has been occurred due to absorption of UV light. They are well known as "visible-blind" UV photodetectors. The verity of the materials have been used to fabricate solar blind UV photodetectors among them ZnO has been selected as an eminent candidate as it has great environmental stability even in harsh atmosphere. This material is met...