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  • Su, YuelingShaanxi Normal Univ, Peoples R China (författare)

Carrier Generation Engineering toward 18% Efficiency Organic Solar Cells by Controlling Film Microstructure

  • Artikel/kapitelEngelska2022

Förlag, utgivningsår, omfång ...

  • 2022-04-07
  • WILEY-V C H VERLAG GMBH,2022
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-184507
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-184507URI
  • https://doi.org/10.1002/aenm.202103940DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51873204, 51933010, 11875316, U1832146]; 111 ProjectMinistry of Education, China - 111 Project [B21005]; National 1000-talent-plan program [1110010341]; Science and Technology Program of Shaanxi Province [2021KJXX-13]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [GK202103104]; Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
  • The single bulk-heterojunction active layer based on non-fullerene acceptors (NFAs) has dominated the power conversional efficiencies above 18% in state-of-the-art organic solar cells (OSCs). However, a deep understanding of the relationship between charge carrier process and film microstructure remains unclear for emerging NFA OSCs. Herein, with the superstar PM6:Y6 blend as a model, the charge generation process in active layers is successfully manipulated by designing three different film microstructures, and they are correlated with the final photovoltaic performance in OSC devices. The amount of intermediate intra-moiety excited states from the nanoscale Y6 aggregates can be effectively enhanced by controlling the phase separation domains and film crystallinity in the bicontinuous PM6:Y6 networks. This robustly improves the hole transfer, and thus promotes charge generation. As a result, the optimal films show superior device performance, that is, the high efficiencies of 16.53% and 17.98% for PM6:Y6- and D18:Y6-based single junction OSCs, respectively. The results presented here give a rational guide for optimizing the charge carrier process through controlling morphological microstructures toward high-performance NFA OSCs.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Zhang, LuShaanxi Normal Univ, Peoples R China (författare)
  • Ding, ZichengShaanxi Normal Univ, Peoples R China (författare)
  • Zhang, YiShaanxi Normal Univ, Peoples R China (författare)
  • Wu, YinShaanxi Normal Univ, Peoples R China (författare)
  • Duan, YuweiShaanxi Normal Univ, Peoples R China (författare)
  • Zhang, QiangChinese Acad Sci, Peoples R China (författare)
  • Zhang, JidongChinese Acad Sci, Peoples R China (författare)
  • Han, YanchunChinese Acad Sci, Peoples R China (författare)
  • Xu, ZijianChinese Acad Sci, Peoples R China (författare)
  • Zhang, RuiLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)ruizh84 (författare)
  • Zhao, KuiShaanxi Normal Univ, Peoples R China (författare)
  • Liu, Shengzhong (Frank)Shaanxi Normal Univ, Peoples R China; Chinese Acad Sci, Peoples R China (författare)
  • Shaanxi Normal Univ, Peoples R ChinaChinese Acad Sci, Peoples R China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Advanced Energy Materials: WILEY-V C H VERLAG GMBH12:191614-68321614-6840

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