Journal
6TH IEEE ELECTRON DEVICES TECHNOLOGY AND MANUFACTURING CONFERENCE (EDTM 2022)
Volume -, Issue -, Pages 185-187Publisher
IEEE
DOI: 10.1109/EDTM53872.2022.9798339
Keywords
photodiode; deep UV; nanoparticles-based devices
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In this study, a photodetector was fabricated by spray-coating zinc oxide quantum dots on a copper oxide micro-pyramid array. The p-n junction structure enhanced the performance of the device, resulting in high photo-responsivity and self-powered photoresponse. These high-performance solar-bind DUV photodetector arrays have the potential for mass production and wide applications.
The photodetector is fabricated simply by spray-coating ZnO QDs on a CuO micro-pyramid array. The p-n junction structure enhances the performance of the DUV n-ZnO/p-CuO/p-Si micro-pyramid device. The photodetector is characterized by high photo-responsivity at 244 nm (UV-C) with fast photoresponse and a cut-off at 280 nm. High self-powered photoresponse is confirmed. These high-performance solar-bind DUV photodetector arrays can be scaled up for mass production of a wide range of applications.
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