{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:54:27Z","timestamp":1786978467702,"version":"build-2736575974"},"reference-count":62,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2015,2,1]],"date-time":"2015-02-01T00:00:00Z","timestamp":1422748800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Polym. Sci. Part A: Polym. Chem."],"published-print":{"date-parts":[[2015,4,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Well\u2010defined 1,4\u2010diketo\u20103,6\u2010di(thiophen\u20102\u2010yl)pyrrolo[3,4\u2010c]pyrrole (DTDPP) labeled polycaprolactones (PCL) with different chain lengths were synthesized and characterized. The effect of polymer chain lengths on the optical properties of DTDPP in solid states was studied by UV\u2010Vis absorption spectroscopy as well as steady\u2010state and dynamic fluorescence spectroscopies. Our results indicate that when the PCL side chain is extended to a certain length, the intermolecular aggregation of DTDPP units can be reduced significantly due to segregation effect of PCL. This approach offers a new facile strategy to address the common problem of aggregation\u2010caused quenching existing in organic fluorophores. These highly fluorescent biodegradable PCL polymers may find broad biomedical applications such as fluorescence\u2010based bioimaging and tissue engineering. \u00a9 2015 Wiley Periodicals, Inc. J. Polym. Sci. Part A: Polym. Chem.\n                    <jats:bold>2015<\/jats:bold>\n                    ,\n                    <jats:italic>53<\/jats:italic>\n                    , 1032\u20131042\n                  <\/jats:p>","DOI":"10.1002\/pola.27531","type":"journal-article","created":{"date-parts":[[2015,2,2]],"date-time":"2015-02-02T00:13:22Z","timestamp":1422836002000},"page":"1032-1042","source":"Crossref","is-referenced-by-count":22,"title":["Highly fluorescent polycaprolactones decorated with di(thiophene\u20102\u2010yl)\u2010diketopyrrolopyrrole: A covalent strategy of tuning fluorescence properties in solid states"],"prefix":"10.1002","volume":"53","author":[{"given":"Kai","family":"Wang","sequence":"first","affiliation":[{"name":"School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637457 Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yimin","family":"Luo","sequence":"additional","affiliation":[{"name":"School of Chemical and 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