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dc.contributor.authorChang, Shao-Lingen_US
dc.contributor.authorCao, Fong-Yien_US
dc.contributor.authorHuang, Kuo-Hsiuen_US
dc.contributor.authorLee, Wei-Liangen_US
dc.contributor.authorLee, Meng-Hsunen_US
dc.contributor.authorHsu, Chain-Shuen_US
dc.contributor.authorCheng, Yen-Juen_US
dc.date.accessioned2020-10-05T01:59:50Z-
dc.date.available2020-10-05T01:59:50Z-
dc.date.issued2020-06-28en_US
dc.identifier.issn2050-7488en_US
dc.identifier.urihttp://dx.doi.org/10.1039/d0ta04240den_US
dc.identifier.urihttp://hdl.handle.net/11536/154959-
dc.description.abstractAnNC-FICnonfullerene acceptor, using a didodecylnaphthodithiophene (NDT) embedded octacyclic ladder-type donorNC, had been described previously. In this work, a new cross-shapedTC-FICnonfullerene acceptor is designed by substitution of the NDT unit in theNCskeleton with a 2-dimensional didodecyltetrathienonaphthalene (TTN) unit. The 2-dimensionalTC pi-system with two vertically fused thiophenes strengthens the electron-donating ability, promotes pi-electron delocalization and enhances intramolecular donor-acceptor charge transfer and intermolecular pi-pi interactions. As a result,TC-FICshows more red-shifted and widened absorption compared to theNC-FICcounterpart. The PBDB-T:TC-FICdevice exhibits a higher efficiency of 11.6% which greatly outperformed the corresponding PBDB-T:NC-FICdevice with an efficiency of 7.52%. The dramatic 54% enhancement in efficiency is ascribed to the improved light-harvesting ability and enhanced charge mobilities which are benefited from the central 2-dimensionalTTNmoiety. By incorporatingPC(71)BMto improve absorption and electron transport, the ternary-blend PBDB-T : TC-FIC : PC(71)BMdevice (1 : 1 : 1 in wt%) achieves a highest PCE of 13.49% with an enhancedJ(sc)of 23.80 mA cm(-2), an FF of 64.4%, and aV(oc)of 0.88 V.en_US
dc.language.isoen_USen_US
dc.title2-Dimensional cross-shaped tetrathienonaphthalene-based ladder-type acceptor for high-efficiency organic solar cellsen_US
dc.typeArticleen_US
dc.identifier.doi10.1039/d0ta04240den_US
dc.identifier.journalJOURNAL OF MATERIALS CHEMISTRY Aen_US
dc.citation.volume8en_US
dc.citation.issue24en_US
dc.citation.spage12141en_US
dc.citation.epage12148en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000542473000022en_US
dc.citation.woscount1en_US
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