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However, challenges like limited response speed and environmental instability remain. Herein, we present a vis\u2013NIR responsive OPD based on PTB7\u2010Th:BTP\u20104F:COTIC\u20104F ternary organic system, achieving broadband detection covering up to 1200\u00a0nm. This OPD demonstrates an impressive response time of 43\/64\u00a0ns, with outstanding durability, maintaining stable performance for bending and water immersion, showing resilience under both mechanical and environmental stresses. Transient absorption spectra (\n                    <jats:italic>TAS<\/jats:italic>\n                    ) reveal ultrafast charge transfer processes, facilitating the rapid response speed. Moreover, we successfully demonstrated its potential in high\u2010fidelity imaging and fast optical communication. This work demonstrates a stable, ultrafast OPD with practical vis\u2013NIR applications, paving the way for future advancements in flexible photonic technologies.\n                  <\/jats:p>","DOI":"10.1002\/smtd.202500296","type":"journal-article","created":{"date-parts":[[2025,5,23]],"date-time":"2025-05-23T03:53:45Z","timestamp":1747972425000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Flexible and Stable Ternary Organic Photodetector for Broadband Visible\u2013NIR Applications in High\u2010Fidelity Imaging and Optical Communication"],"prefix":"10.1002","volume":"9","author":[{"given":"Zhuhua","family":"Xu","sequence":"first","affiliation":[{"name":"Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"},{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuan","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zilong","family":"Ye","sequence":"additional","affiliation":[{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xizhe","family":"Liang","sequence":"additional","affiliation":[{"name":"Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences  Hangzhou 310024 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kun","family":"Qian","sequence":"additional","affiliation":[{"name":"Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences  Hangzhou 310024 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoyu","family":"Huang","sequence":"additional","affiliation":[{"name":"Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"},{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kanghui","family":"Ke","sequence":"additional","affiliation":[{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang","family":"Shu","sequence":"additional","affiliation":[{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liping","family":"Song","sequence":"additional","affiliation":[{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongyan","family":"Fu","sequence":"additional","affiliation":[{"name":"Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingzhou","family":"Li","sequence":"additional","affiliation":[{"name":"Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences  Hangzhou 310024 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feiyu","family":"Kang","sequence":"additional","affiliation":[{"name":"Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"},{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2209-2789","authenticated-orcid":false,"given":"Guodan","family":"Wei","sequence":"additional","affiliation":[{"name":"Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"},{"name":"Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University  Shenzhen 518000 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,5,23]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.202002418"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.202102163"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00339-020-04056-6"},{"key":"e_1_2_8_4_1","author":"Yan T.","journal-title":"Adv. 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