{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T10:29:59Z","timestamp":1767954599934,"version":"3.49.0"},"reference-count":41,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,11,9]],"date-time":"2025-11-09T00:00:00Z","timestamp":1762646400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004735","name":"Natural Science Foundation of Hunan Province","doi-asserted-by":"publisher","award":["2025JJ60281"],"award-info":[{"award-number":["2025JJ60281"]}],"id":[{"id":"10.13039\/501100004735","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Macromol. Rapid Commun."],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    In this work, a polymer donor PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T based on dithienobenzothiadiazole (DT\n                    <jats:italic>f<\/jats:italic>\n                    BT) and alkyl\u2010substituted thiophenes was synthesized for application in non\u2010fullerene organic solar cells (OSCs). PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T shows a film absorption maximum at 614\u00a0nm with an absorption edge near 650\u00a0nm, corresponding to an optical bandgap of \u22481.90\u00a0eV. Complementary absorption and sufficiently favorable energetic offsets are achieved between PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T and the benzotriazole\u2010fused Y\u2010series acceptor Y14. The optimized PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T:Y14 active layer delivers a power conversion efficiency (PCE) of 11.69%. Packing evolution from predominantly edge\u2010on in neat films to enhanced face\u2010on orientation in blends, together with an interpenetrating nanoscale morphology, underpins efficient charge generation and transport. Moreover, employing PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T as a guest donor in ternary OSCs based on PM6:Y6 and D18:L8\u2010BO increases the PCEs to 17.81% and 18.59%, respectively. These results indicate that DT\n                    <jats:italic>f<\/jats:italic>\n                    BT is a powerful electron\u2010deficient unit and that PDT\n                    <jats:italic>f<\/jats:italic>\n                    BT\u20103T provides a simple and versatile platform for constructing efficient NFA\u2010based PSCs.\n                  <\/jats:p>","DOI":"10.1002\/marc.202500773","type":"journal-article","created":{"date-parts":[[2025,11,9]],"date-time":"2025-11-09T18:54:04Z","timestamp":1762714444000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Wide\u2010Bandgap Dithienobenzothiadiazole\u2013Terthiophene Polymer Enabling Efficient Polymer Solar Cells"],"prefix":"10.1002","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-8682-6335","authenticated-orcid":false,"given":"Mei","family":"Luo","sequence":"first","affiliation":[{"name":"College of Chemical and Biological Engineering Hunan 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