{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T17:08:03Z","timestamp":1775754483214,"version":"3.50.1"},"reference-count":49,"publisher":"Wiley","issue":"26","license":[{"start":{"date-parts":[[2025,4,15]],"date-time":"2025-04-15T00:00:00Z","timestamp":1744675200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,4,15]],"date-time":"2025-04-15T00:00:00Z","timestamp":1744675200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22171062"],"award-info":[{"award-number":["22171062"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004731","name":"Natural Science Foundation of Zhejiang Province","doi-asserted-by":"publisher","award":["LTGY23B05001"],"award-info":[{"award-number":["LTGY23B05001"]}],"id":[{"id":"10.13039\/501100004731","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Sub\u20101\u2010nm nanowires (NWs) with fascinating physicochemical properties have demonstrated remarkable potential for applications across various fields. However, it remains a great challenge to prepare sub\u20101\u2010nm NWs with near\u2010infrared (NIR) absorption characteristics and explore their optoelectronic applications, so far. Herein, a novel cation\u2010exchange strategy in N, N\u2010dimethylformamide (DMF) solvent is introduced to synthesize sub\u20101\u2010nm PbSe NWs, starting from sub\u20101\u2010nm ZnSe NWs. Theoretical calculations and nuclear magnetic resonance (NMR) measurements have confirmed that the cation exchange reaction in DMF effectively reduces the barriers for Zn\n                    <jats:sup>2+<\/jats:sup>\n                    extraction and Pb\n                    <jats:sup>2+<\/jats:sup>\n                    introduction compared to the conventional toluene\/methanol system. Notably, the resulting sub\u20101\u2010nm PbSe NWs exhibit a strong absorption peak at \u2248940\u00a0nm. Leveraging their unique NIR absorption features and superior carrier transport properties, self\u2010powered photoelectrochemical\u2010type (PEC) photodetectors is fabricated based on sub\u20101\u2010nm PbSe NWs embedded in polyvinylidene fluoride (PVDF) composite films. These photodetectors demonstrated exceptional photoresponse performance under 940\u00a0nm illumination (8.0\u00a0mW cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ), with a typical on\/off ratio of 4860, a detectivity of 4.65 \u00d7 10\n                    <jats:sup>11<\/jats:sup>\n                    Jones, and a responsivity of 113\u00a0mA W\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This work provides a new approach for developing and investigating NIR photoactive sub\u20101\u2010nm semiconductor NWs with broad application prospects.\n                  <\/jats:p>","DOI":"10.1002\/advs.202501993","type":"journal-article","created":{"date-parts":[[2025,4,15]],"date-time":"2025-04-15T08:03:45Z","timestamp":1744704225000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Colloidal Synthesis of Sub\u20101\u2010nm PbSe Nanowires via Cation Exchange for High\u2010Performance Near\u2010Infrared Self\u2010Powered Photoelectrochemical\u2010Type Photodetectors"],"prefix":"10.1002","volume":"12","author":[{"given":"Xiaoli","family":"Li","sequence":"first","affiliation":[{"name":"College of Chemical Engineering and Materials Hebei Center for New Inorganic Optoelectronic Nanomaterial Research Technology Innovation Center of Nanosized Natural Products and new materials of Hebei province Handan University  Handan 056005 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sizhao","family":"Xing","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Hebei University of Engineering  Handan 056038 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanli","family":"Li","sequence":"additional","affiliation":[{"name":"College of Chemical Engineering and Materials Hebei Center for New Inorganic Optoelectronic Nanomaterial Research Technology Innovation Center of Nanosized Natural Products and new materials of Hebei province Handan University  Handan 056005 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guangshuo","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Hebei University of Engineering  Handan 056038 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoyi","family":"Gao","sequence":"additional","affiliation":[{"name":"Interdisciplinary Research Academy (IRA) Zhejiang Shuren University  Hangzhou 310015 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2917-6520","authenticated-orcid":false,"given":"Dong","family":"Li","sequence":"additional","affiliation":[{"name":"College of Chemical Engineering and Materials Hebei Center for New Inorganic Optoelectronic Nanomaterial Research Technology Innovation Center of Nanosized Natural Products and new materials of Hebei province Handan University  Handan 056005 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