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Lett."],"published-print":{"date-parts":[[2026,7,1]]},"abstract":"<jats:p>\n                    Conformable organic phototransistors (OPTs) are promising for wearable and biomedical optoelectronics but are limited by insufficient light absorption and inefficient exciton dissociation processes. Here, a bilayer vertical bulk heterojunction (BV-BHJ) is developed via a floating film transfer method using IDT-BT and N2200. The structure integrates vertical phase-separated bulk heterojunctions in both layers with an additional interfacial planar heterojunction, enabling synergistic enhancement of exciton generation, dissociation, and carrier transport. The resulting device exhibits a photosensitivity (\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    ) as high as 1.58 \u00d7 10\n                    <jats:sup>6<\/jats:sup>\n                    with excellent mechanical conformability. This work provides an effective strategy for high-performance conformable phototransistors.\n                  <\/jats:p>","DOI":"10.1364\/ol.604579","type":"journal-article","created":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T11:00:09Z","timestamp":1781521209000},"page":"3637","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Bilayer vertical bulk heterojunction for high-sensitivity conformable organic phototransistors"],"prefix":"10.1364","volume":"51","author":[{"given":"Baoying","family":"Sun","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xutong","family":"Chang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoli","family":"Zhao","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dakun","family":"Sun","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yao","family":"Fu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bowen","family":"Xiang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanhong","family":"Tong","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingxin","family":"Tang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yichun","family":"Liu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rkvz144","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,6,24]]},"reference":[{"key":"ol-51-13-3637-R1","doi-asserted-by":"publisher","first-page":"2202469","DOI":"10.1002\/adom.202202469","type":"journal-article","volume":"11","author":"Lee","year":"2023","journal-title":"Adv. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}