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However, the reports on CDSA of D\u2010A \u03c0\u2010conjugated\u2010polymer\u2010based block copolymers (BCPs) are rather rare. In this context, we report two types of BCPs containing the same corona\u2010forming poly(\n                    <jats:italic>N<\/jats:italic>\n                    \u2010isopropylacrylamide) segment, but different core\u2010forming D\u2010A \u03c0\u2010conjugated blocks, one of which (BT\u2010OPE\n                    <jats:sub>5<\/jats:sub>\n                    \u2010BT) contains an OPE\n                    <jats:sub>5<\/jats:sub>\n                    segment flanked by two electron\u2010deficient benzothiadiazole (BT) unit and another one of which (B\u2010\n                    <jats:italic>alt<\/jats:italic>\n                    \u2010BT) contains four phenylene (B) units and three BT units placed in an alternate way. The BT\u2010OPE\n                    <jats:sub>5<\/jats:sub>\n                    \u2010BT\u2010based seed micelles were not kinetically frozen with obvious micellar dissolution at room temperature, whereas almost no micellar dissolution occurred for B\u2010\n                    <jats:italic>alt<\/jats:italic>\n                    \u2010BT\u2010based seed micelles. However, only polydisperse fiber\u2010like micelles can be formed by self\u2010seeding approach owing to presence of multiple packing modes for B\u2010\n                    <jats:italic>alt<\/jats:italic>\n                    \u2010BT\u2010\n                    <jats:italic>b<\/jats:italic>\n                    \u2010PNIPAM\n                    <jats:sub>36<\/jats:sub>\n                    over the micellar elongation. The B\u2010\n                    <jats:italic>alt<\/jats:italic>\n                    \u2010BT exhibited much more pronounced intra\/intermolecular charge transfer effect than BT\u2010OPE\n                    <jats:sub>5<\/jats:sub>\n                    \u2010BT, and thus the micelles of B\u2010\n                    <jats:italic>alt<\/jats:italic>\n                    \u2010BT\u2010\n                    <jats:italic>b<\/jats:italic>\n                    \u2010PNIPAM\n                    <jats:sub>36<\/jats:sub>\n                    exhibited about 50\u00a0nm red\u2010shift in UV\/vis absorption band than that of BT\u2010OPE\n                    <jats:sub>5<\/jats:sub>\n                    \u2010BT\u2010\n                    <jats:italic>b<\/jats:italic>\n                    \u2010PNIPAM\n                    <jats:sub>36<\/jats:sub>\n                    and appealing photocatalytic hydrogen evolution activities. This work highlights the importance of sequence structure of D\/A units of D\u2010A segments on both CDSA behavior and photophysical\/ chemical properties.\n                  <\/jats:p>","DOI":"10.1002\/chem.202501769","type":"journal-article","created":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T04:39:23Z","timestamp":1750221563000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Influence of Sequence Structure of Donor\/Acceptor\u2010Containing Segment on Crystallization\u2010Driven Self\u2010Assembly Behavior and Photocatalytic Hydrogen Evolution Activity"],"prefix":"10.1002","volume":"31","author":[{"given":"Fengfeng","family":"Huang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences  345 Lingling Road Shanghai 200032 People's Republic of 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