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Here, a two-terminal Au-contacted VO2\/WSe2 heterojunction photodetector with the same adaptive DR as retinal cells is developed. It is revealed that the VO2\/WSe2 heterojunction part-mimics the cone cell for strong light detection with photoresponsivity (R) of 320 mA W\u22121 and the Au\/WSe2 Schottky contact part-mimics the rod cell for weak light detection with an R of 217 A W\u22121 and noise equivalent power (NEP) as low as 248.2 fW\/\u221aHz. The dual-mode photodetector shows a fast response speed of less than 39.28 \u03bcs. Image fusion by the cone mode and rod mode shows enhanced recognition. These results demonstrate that contact engineering enables a photodetector with the functionality of both rod and cone cells, and the resulting visual imaging system can achieve performance comparable to that of the human eye in certain operating conditions.<\/jats:p>","DOI":"10.3390\/nano16090498","type":"journal-article","created":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T10:38:14Z","timestamp":1776854294000},"page":"498","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hybrid Junction-Enabled Biomimetic Human Eye Structure for Large Dynamic Range Vision Sensor"],"prefix":"10.3390","volume":"16","author":[{"given":"Daqi","family":"Chen","sequence":"first","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yueheng","family":"Lu","sequence":"additional","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenye","family":"Zhan","sequence":"additional","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuanfan","family":"Han","sequence":"additional","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhendong","family":"Weng","sequence":"additional","affiliation":[{"name":"Instrumental Analysis & Research Center, Sun Yat-sen University, Guangzhou 510275, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5725-4368","authenticated-orcid":false,"given":"Jian","family":"Chen","sequence":"additional","affiliation":[{"name":"Instrumental Analysis & Research Center, Sun Yat-sen University, Guangzhou 510275, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiulan","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Medical Devices, Guangdong Food and Drug Vocational College, Guangzhou 510520, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Zhou","sequence":"additional","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weiguang","family":"Xie","sequence":"additional","affiliation":[{"name":"Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou 510632, China"},{"name":"Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Jinan University, Guangzhou 510632, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1038\/s41586-020-2038-x","article-title":"Ultrafast Machine Vision with 2D Material Neural Network Image Sensors","volume":"579","author":"Mennel","year":"2020","journal-title":"Nature"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1038\/s41566-023-01170-8","article-title":"Image Sensing with Multilayer Nonlinear Optical Neural Networks","volume":"17","author":"Wang","year":"2023","journal-title":"Nat. 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