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  • Xu, LeiNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)

The Role of Solution Aggregation Property toward High-Efficiency Non-Fullerene Organic Photovoltaic Cells

  • Artikel/kapitelEngelska2024

Förlag, utgivningsår, omfång ...

  • 2024
  • WILEY-V C H VERLAG GMBH,2024
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-203572
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-203572URI
  • https://doi.org/10.1002/adma.202403476DOI

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 China; Jiangsu Provincial Departments of Science and Technology [BK20220010, BE2022023]; Natural Science Foundation of Jiangsu Province [BK20221317]; Science and Technology Development Fund, Macao SAR [FDCT-0082/2021/A2]; UM's research fund [MYRG2022-00241-IAPME, MYRG-CRG2022-00009-FHS]; [52273295]; [52303236]; [61935017]; [51903239]; [62288102]; [62175268]
  • In organic photovoltaic cells, the solution-aggregation effect (SAE) is long considered a critical factor in achieving high power-conversion efficiencies for polymer donor (PD)/non-fullerene acceptor (NFA) blend systems. However, the underlying mechanism has yet to be fully understood. Herein, based on an extensive study of blends consisting of the representative 2D-benzodithiophene-based PDs and acceptor-donor-acceptor-type NFAs, it is demonstrated that SAE shows a strong correlation with the aggregation kinetics during solidification, and the aggregation competition between PD and NFA determines the phase separation of blend film and thus the photovoltaic performance. PDs with strong SAEs enable earlier aggregation evolutions than NFAs, resulting in well-known polymer-templated fibrillar network structures and superior PCEs. With the weakening of PDs' aggregation effects, NFAs, showing stronger tendencies to aggregate, tend to form oversized domains, leading to significantly reduced external quantum efficiencies and fill factors. These trends reveal the importance of matching SAE between PD and NFA. The aggregation abilities of various materials are further evaluated and the aggregation ability/photovoltaic parameter diagrams of 64 PD/NFA combinations are provided. This work proposes a guiding criteria and facile approach to match efficient PD/NFA systems. A systematic study of the representative organic photovoltaic systems shows that the aggregation competition between polymer donor (PD) and non-fullerene acceptor (NFA) is a decisive factor in the phase separation of blend film and thus the photovoltaic performance. Based on 64 PD/NFA combinations, the aggregation ability/photovoltaic parameter heatmaps are plotted, providing a new matching rule for developing high-efficiency PD/NFA systems. image

Ämnesord och genrebeteckningar

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

  • Li, SunsunNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Zhao, WenchaoNanjing Forestry Univ, Peoples R China (författare)
  • Xiong, YaomengNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Yu, JinfengNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Qin, JinzhaoChinese Acad Sci, Peoples R China (författare)
  • Wang, GangUniv Macau, Peoples R China (författare)
  • Zhang, RuiLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)ruizh84 (författare)
  • Zhang, TaoChinese Acad Sci, Peoples R China (författare)
  • Mu, ZhenUniv Macau, Peoples R China (författare)
  • Zhao, JingjingNanjing Tech Univ, Peoples R China (författare)
  • Zhang, YuyangNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Zhang, ShaoqingChinese Acad Sci, Peoples R China (författare)
  • Kuvondikov, VakhobjonUzbek Acad Sci, Uzbekistan (författare)
  • Zakhidov, ErkinUzbek Acad Sci, Uzbekistan (författare)
  • Peng, QimingNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Wang, NanaNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China (författare)
  • Xing, GuichuanUniv Macau, Peoples R China (författare)
  • Gao, FengLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)fenga88 (författare)
  • Hou, JianhuiChinese Acad Sci, Peoples R China (författare)
  • Huang, WeiNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China; Northwestern Polytech Univ, Peoples R China (författare)
  • Wang, JianpuNanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R China; Changzhou Univ, Peoples R China; Changzhou Univ, Peoples R China (författare)
  • Nanjing Tech Univ, Peoples R China; Nanjing Tech Univ, Peoples R ChinaNanjing Forestry Univ, Peoples R China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Advanced Materials: WILEY-V C H VERLAG GMBH0935-96481521-4095

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