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Article: All-Polymer Solar Cells with over 12% Efficiency and a Small Voltage Loss Enabled by a Polymer Acceptor Based on an Extended Fused Ring Core

TitleAll-Polymer Solar Cells with over 12% Efficiency and a Small Voltage Loss Enabled by a Polymer Acceptor Based on an Extended Fused Ring Core
Authors
Keywordsall-polymer solar cells
voltage loss
polymer acceptors
Issue Date2020
Citation
Advanced Energy Materials, 2020, v. 10 n. 35, article no. 2001408 How to Cite?
Abstract© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Although the field of all-polymer solar cells (all-PSCs) has seen rapid progress in device efficiencies during the past few years, there are limited choices of polymer acceptors that exhibit strong absorption in the near-IR region and achieve high open-circuit voltage (VOC) at the same time. In this paper, an all-PSC device is demonstrated with a 12.06% efficiency based on a new polymer acceptor (named PT-IDTTIC) that exhibits strong absorption (maximum absorption coefficient: 2.41 × 105 cm−1) and a narrow optical bandgap (1.49 eV). Compared to previously reported polymer acceptors such as those based on the indacenodithiophene (IDT) core, the indacenodithienothiophene (IDTT) core has further extended fused ring, providing the polymer with extended absorption into the near-IR region and also increases the electron mobility of the polymer. By blending PT-IDTTIC with the donor polymer, PM6, a high-efficiency all-PSC is achieved with a small voltage loss of 0.52 V, without sacrificing JSC and FF, which demonstrates the great potential of high-performance all-PSCs.
Persistent Identifierhttp://hdl.handle.net/10722/285870
ISSN
2023 Impact Factor: 24.4
2023 SCImago Journal Rankings: 8.748
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYao, Huatong-
dc.contributor.authorMa, Lik Kuen-
dc.contributor.authorYu, Han-
dc.contributor.authorYu, Jianwei-
dc.contributor.authorChow, Philip C.Y.-
dc.contributor.authorXue, Wenyue-
dc.contributor.authorZou, Xinhui-
dc.contributor.authorChen, Yuzhong-
dc.contributor.authorLiang, Jiaen-
dc.contributor.authorArunagiri, Lingeswaran-
dc.contributor.authorGao, Feng-
dc.contributor.authorSun, Huiliang-
dc.contributor.authorZhang, Guangye-
dc.contributor.authorMa, Wei-
dc.contributor.authorYan, He-
dc.date.accessioned2020-08-18T04:56:52Z-
dc.date.available2020-08-18T04:56:52Z-
dc.date.issued2020-
dc.identifier.citationAdvanced Energy Materials, 2020, v. 10 n. 35, article no. 2001408-
dc.identifier.issn1614-6832-
dc.identifier.urihttp://hdl.handle.net/10722/285870-
dc.description.abstract© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Although the field of all-polymer solar cells (all-PSCs) has seen rapid progress in device efficiencies during the past few years, there are limited choices of polymer acceptors that exhibit strong absorption in the near-IR region and achieve high open-circuit voltage (VOC) at the same time. In this paper, an all-PSC device is demonstrated with a 12.06% efficiency based on a new polymer acceptor (named PT-IDTTIC) that exhibits strong absorption (maximum absorption coefficient: 2.41 × 105 cm−1) and a narrow optical bandgap (1.49 eV). Compared to previously reported polymer acceptors such as those based on the indacenodithiophene (IDT) core, the indacenodithienothiophene (IDTT) core has further extended fused ring, providing the polymer with extended absorption into the near-IR region and also increases the electron mobility of the polymer. By blending PT-IDTTIC with the donor polymer, PM6, a high-efficiency all-PSC is achieved with a small voltage loss of 0.52 V, without sacrificing JSC and FF, which demonstrates the great potential of high-performance all-PSCs.-
dc.languageeng-
dc.relation.ispartofAdvanced Energy Materials-
dc.subjectall-polymer solar cells-
dc.subjectvoltage loss-
dc.subjectpolymer acceptors-
dc.titleAll-Polymer Solar Cells with over 12% Efficiency and a Small Voltage Loss Enabled by a Polymer Acceptor Based on an Extended Fused Ring Core-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/aenm.202001408-
dc.identifier.scopuseid_2-s2.0-85088809368-
dc.identifier.volume10-
dc.identifier.issue35-
dc.identifier.spagearticle no. 2001408-
dc.identifier.epagearticle no. 2001408-
dc.identifier.eissn1614-6840-
dc.identifier.isiWOS:000553781500001-
dc.identifier.issnl1614-6832-

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