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Cited 52 time in webofscience Cited 51 time in scopus
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Importance of High-Electron Mobility in Polymer Acceptors for Efficient All-Polymer Solar Cells: Combined Engineering of Backbone Building Unit and Regioregularity

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dc.contributor.authorSeo, Soodeok-
dc.contributor.authorSun, Cheng-
dc.contributor.authorLee, Jin-Woo-
dc.contributor.authorLee, Seungjin-
dc.contributor.authorLee, Dongchan-
dc.contributor.authorWang, Cheng-
dc.contributor.authorPhan, Tan Ngoc-Lan-
dc.contributor.authorKim, Geon-U-
dc.contributor.authorCho, Shinuk-
dc.contributor.authorKim, Yun-Hi-
dc.contributor.authorKim, Bumjoon J.-
dc.date.accessioned2022-12-26T07:40:52Z-
dc.date.available2022-12-26T07:40:52Z-
dc.date.issued2022-01-
dc.identifier.issn1616-301X-
dc.identifier.issn1616-3028-
dc.identifier.urihttps://scholarworks.gnu.ac.kr/handle/sw.gnu/1791-
dc.description.abstractThe charge transport ability of polymer acceptors (P(A)s) is crucial for achieving high power conversion efficiencies (PCEs) of all-polymer solar cells (all-PSCs). However, the electron mobilities (mu(e)s) of most P(A)s are inferior to those of their small molecule acceptor (SMA) counterparts. Herein, the authors design a new series of the polymerized SMA-based P(A)s (Y5-A-B), where the donating moiety (A = selenophene (Se)/biselenophene (BiSe)) and the backbone regioregularity (B = In/Mix/Out) are 2D controlled, for enhancing both the mu(e) and PCEs. Interestingly, the effects of regioisomers on the mu(e) and all-PSC performance are the opposite depending on the donating unit. For the Y5-Se-based P(A)s, the PCEs increase in order of Out (7.52%) < Mix (9.33%) < In (13.38%). In contrast, for the Y5-BiSe-based P(A)s, the PCEs decrease in order of Out (10.67%) > Mix (9.58%) > In (8.52%). These opposite trends in each series originate from the different planarity and intermolecular assembly of P(A)s depending on the regioregularity. Thus, the Y5-Se-In blend exhibits the highest mu(e) and achieves the highest PCE (13.38%) among the all-PSCs in this study. Therefore, the authors report the importance of simultaneous engineering of the backbone building unit and regioregularity to realize high-mobility P-A and highly efficient all-PSCs.-
dc.language영어-
dc.language.isoENG-
dc.publisherJohn Wiley & Sons Ltd.-
dc.titleImportance of High-Electron Mobility in Polymer Acceptors for Efficient All-Polymer Solar Cells: Combined Engineering of Backbone Building Unit and Regioregularity-
dc.typeArticle-
dc.publisher.location독일-
dc.identifier.doi10.1002/adfm.202108508-
dc.identifier.scopusid2-s2.0-85117279839-
dc.identifier.wosid000709156100001-
dc.identifier.bibliographicCitationAdvanced Functional Materials, v.32, no.5-
dc.citation.titleAdvanced Functional Materials-
dc.citation.volume32-
dc.citation.number5-
dc.type.docTypeArticle-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusADDITIVE-FREE-
dc.subject.keywordPlusMOLECULAR-WEIGHT-
dc.subject.keywordPlusAGGREGATION-
dc.subject.keywordPlusCRYSTALLINITY-
dc.subject.keywordPlusORIENTATION-
dc.subject.keywordPlusTRANSPORT-
dc.subject.keywordPlusDONOR-
dc.subject.keywordPlusFILMS-
dc.subject.keywordAuthorall-polymer solar cells-
dc.subject.keywordAuthorelectron mobility-
dc.subject.keywordAuthorhigh efficiency-
dc.subject.keywordAuthorpolymerized small-molecule acceptor-
dc.subject.keywordAuthorregioregularity-
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