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Rapid Commun."],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Conjugated polymer design via random terpolymerization with irregular backbones has emerged as a strategy for stretchable organic electronics, requiring diverse molecular architectures to balance charge carrier mobility (\n                    <jats:italic>\u03bc<\/jats:italic>\n                    ) and stretchability. In this study, diketopyrrolopyrrole (DPP)\u2010based conjugated polymers with 0%, 5%, and 10% Pechmann dye (PDy) units, denoted as DP\u2010T0, DP\u2010T5, and DP\u2010T10, respectively, are introduced, and explore\u00a0the impact of PDy on structural mobility and stretchability through experimental and computational analyses. Electrical measurements reveal hole mobilities ranging from 0.01 to 0.08 cm\n                    <jats:sup>2<\/jats:sup>\n                    V\u207b\u00b9 s\u207b\u00b9, with a slight decrease as PDy content increases. Stretchability tests indicate significant improvements in DP\u2010T5 and DP\u2010T10 due to their loosely packed lamellar structures. Notably, DP\u2010T5 achieves a crack onset strain (\n                    <jats:italic>\u03b5<\/jats:italic>\n                    <jats:sub>c<\/jats:sub>\n                    ) of 250% and a polarization dichroic ratio (PDR) of 2.4 under 200% strain, leading to a mobility ratio (\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>200<\/jats:sub>\n                    \/\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>0<\/jats:sub>\n                    ) exceeding 5. These results demonstrate that PDy incorporation enhances the mechanical stretchability of DPP\u2010based conjugated polymers while maintaining reasonable electronic performance. This work highlights the potential of PDy\u2010based random terpolymerization for developing stretchable polymer semiconductors.\n                  <\/jats:p>","DOI":"10.1002\/marc.202500018","type":"journal-article","created":{"date-parts":[[2025,2,20]],"date-time":"2025-02-20T04:40:42Z","timestamp":1740026442000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Pechmann Dye\u2010Containing Diketopyrrolopyrrole\u2010Based Stretchable Polymer Semiconductors"],"prefix":"10.1002","volume":"46","author":[{"given":"Seunglok","family":"Lee","sequence":"first","affiliation":[{"name":"School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST)  50 UNIST\u2010gil, Ulju\u2010gun Ulsan 44919 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyeonjin","family":"Yoo","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering and Materials Science Graduate Program in System Health Science and Engineering Ewha Womans University  Seoul 03760 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seokhwan","family":"Jeong","sequence":"additional","affiliation":[{"name":"School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST)  50 UNIST\u2010gil, Ulju\u2010gun Ulsan 44919 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dae Hong","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry Dong\u2010Eui University  176 Eomgwangro Busan 47340 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"So\u2010Huei","family":"Kang","sequence":"additional","affiliation":[{"name":"School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST)  50 UNIST\u2010gil, Ulju\u2010gun Ulsan 44919 South Korea"},{"name":"Department of Chemistry McGill University  801 Sherbrooke St West Montreal Quebec H3A 0B8 Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yukyeong","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering and Materials Science Graduate Program in System Health Science and Engineering Ewha Womans University  Seoul 03760 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7452-4681","authenticated-orcid":false,"given":"Changduk","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST)  50 UNIST\u2010gil, Ulju\u2010gun Ulsan 44919 South Korea"},{"name":"Graduate School of Carbon Neutrality Ulsan National Institute of Science and Technology (UNIST)  50 UNIST\u2010gil, Ulju\u2010gun Ulsan 44919 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5176-9838","authenticated-orcid":false,"given":"Byoung Hoon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering and Materials Science Graduate Program in System Health Science and Engineering Ewha Womans University  Seoul 03760 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-0429-0452","authenticated-orcid":false,"given":"Kyu Cheol","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry Dong\u2010Eui University  176 Eomgwangro Busan 47340 South 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