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Express"],"published-print":{"date-parts":[[2025,10,6]]},"abstract":"<jats:p>\n                    Ultraviolet (UV) optoelectronic devices are widely utilized in space exploration, biological synaptic sensing, UV sterilization, and other fields. This paper presented and demonstrated an AlN-based three-dimensional back-illumination metal-semiconductor-metal flip-chip (FC-3D-MSM) UV detector, which exhibits high sensitivity (I\n                    <jats:sub>p<\/jats:sub>\n                    \/I\n                    <jats:sub>d<\/jats:sub>\n                    ) and faster rise time compared to conventional metal-semiconductor-metal (MSM) devices. The performance of the FC-3D-MSM devices with several structural parameters were investigated using APSYS simulation software. Based on the simulation results, 0.2\u2005\u03bcm etch depth three-dimensional metal-semiconductor-metal (3D-MSM) and 1.3\u2005\u03bcm etch depth FC-3D-MSM devices were fabricated and tested. The experimental results reveal that the FC-3D-MSM device achieves a on\/off ratio of 2743, a rise time of 200 ns, and a 250% increase in photocurrent relative to the traditional MSM device. Furthermore, the device system successfully realizes imaging capabilities and exhibits rapid recovery performance.\n                  <\/jats:p>","DOI":"10.1364\/oe.573284","type":"journal-article","created":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T03:00:11Z","timestamp":1758078011000},"page":"42070","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["High on\/off ratio 3D structured back-illumination deep ultraviolet biomimetic optoelectronic imaging devices"],"prefix":"10.1364","volume":"33","author":[{"given":"Tao","family":"Li","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/00f1zfq44","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Shaoyang University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenlong","family":"Qin","sequence":"additional","affiliation":[{"name":"Shaoyang University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoyong","family":"Rao","sequence":"additional","affiliation":[{"name":"Shaoyang University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaobiao","family":"Dai","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/00f1zfq44","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Shaoyang University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuping","family":"Peng","sequence":"additional","affiliation":[{"name":"Shaoyang University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Yan","sequence":"additional","affiliation":[{"name":"Hunan Institute of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenqing","family":"Song","sequence":"additional","affiliation":[{"name":"Hunan Institute of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2025,9,24]]},"reference":[{"key":"oe-33-20-42070-R1","doi-asserted-by":"publisher","first-page":"1852","DOI":"10.1039\/D0TC04182C","volume":"9","author":"Yu","year":"2021","journal-title":"J. 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