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While high-operating-temperature (HOT) HgCdTe (MCT) devices mitigate this issue through band structure engineering, their practical implementation is hindered by the intricate multilayer heteroepitaxy and lattice-mismatch-induced interfacial defects. To simultaneously resolve these bottlenecks, we develop a van der Waals (vdW) heterostructure strategy by integrating two-dimensional (2D) materials with MCT. The constructed MoS\n                    <jats:sub>2<\/jats:sub>\n                    \/graphene\/MCT vdW heterostructure synergistically addresses both the dark current and interfacial constraints. The p-n junction formed across the MoS\n                    <jats:sub>2<\/jats:sub>\n                    \/graphene\/MCT induces a strong built-in electric field and potential barrier, effectively suppressing dark current. Meanwhile, the interlayer graphene minimizes trap-assisted recombination and facilitates efficient photocarrier transport. Compared with MoS\n                    <jats:sub>2<\/jats:sub>\n                    \/MCT and graphene\/MCT heterojunctions, the MoS\n                    <jats:sub>2<\/jats:sub>\n                    \/graphene\/MCT vdW photodetector achieves an order-of-magnitude improvement in specific detectivity across visible to MWIR range. The optimized device architecture demonstrates a responsivity of ~0.325\u2009A\u2009W\n                    <jats:sup>\u22121<\/jats:sup>\n                    and a peak detectivity of ~8\u2009\u00d7\u200910\n                    <jats:sup>10\u2009<\/jats:sup>\n                    cm Hz\n                    <jats:sup>1\/2<\/jats:sup>\n                    W\n                    <jats:sup>\u22121<\/jats:sup>\n                    under room-temperature blackbody radiation, outperforming state-of-the-art uncooled MWIR photodetectors. This work provides a feasible strategy for designing high-performance uncooled MCT-based infrared photodetectors through 2D\/MCT integration.\n                  <\/jats:p>","DOI":"10.1038\/s41377-026-02418-y","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T04:06:15Z","timestamp":1788321975000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Van der Waals\/MCT heterostructure enabled high-performance uncooled mid-infrared photodetectors via synergistic suppression of dark current and interfacial recombination"],"prefix":"10.1038","volume":"15","author":[{"given":"Xinlei","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-6844-648X","authenticated-orcid":false,"given":"Tao","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yueying","family":"Cui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruizhi","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-2520-3589","authenticated-orcid":false,"given":"Yuwei","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fang","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaiyang","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianfeng","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6810-2183","authenticated-orcid":false,"given":"Dongyang","family":"Wan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jialin","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7099-3162","authenticated-orcid":false,"given":"Junpeng","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6316-2256","authenticated-orcid":false,"given":"Zhenhua","family":"Ni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,9,2]]},"reference":[{"key":"2418_CR1","doi-asserted-by":"publisher","first-page":"1147","DOI":"10.1038\/s41566-024-01492-1","volume":"18","author":"G Mu","year":"2024","unstructured":"Mu, G. et al. 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