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  • Bi, ZhaozhaoXi An Jiao Tong Univ, Peoples R China (author)

Individual nanostructure optimization in donor and acceptor phases to achieve efficient quaternary organic solar cells

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • ELSEVIER,2019
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-163042
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-163042URI
  • https://doi.org/10.1016/j.nanoen.2019.104176DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|Ministry of science and technologyMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT) [2016YFA0200700]; NSFCNational Natural Science Foundation of China [21704082, 21875182, 21534003]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2017M623162]; 111 project 2.0 [BP2018008]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-AC02-05CH11231]
  • Fullerene derivative (PC71BM) and high crystallinity molecule (DR3TBDTT) are employed into PTB7-Th:FOIC based organic solar cells (OSCs) to cooperate an individual nanostructure optimized quaternary blend. PC71BM functions as molecular adjuster and phase modifier promoting FOIC forming "head-to-head" molecular packing and neutralizing the excessive FOIC crystallites. A multi-scale modified morphology is present thanks to the mixture of FOIC and PC71BM while DR3TBDTT disperses into PTB7-Th matrix to reinforce donors crystal-linity and enhance domain purity. Morphology characterization highlights the importance of individually optimizated nanostructures for donor and acceptor, which contributes to efficient hole and electron transport toward improved carrier mobilities and suppressed non-geminated recombination. Therefore, a power conversion efficiency of 13.51% is realized for a quaternary device which is 16% higher than the binary device (PTB7-Th:FOIC). This work demonstrates that utilizing quaternary strategy for simultaneous optimization of donor and acceptor phases is a feasible way to realize high efficient OSCs.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Naveed, Hafiz BilalXi An Jiao Tong Univ, Peoples R China (author)
  • Sui, XinyuCAS Ctr Excellence Nanosci, Peoples R China (author)
  • Zhu, QinglianXi An Jiao Tong Univ, Peoples R China (author)
  • Xu, XianbinXi An Jiao Tong Univ, Peoples R China (author)
  • Gou, LuXi An Jiao Tong Univ, Peoples R China (author)
  • Liu, YanfengLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)yanli17 (author)
  • Zhou, KeXi An Jiao Tong Univ, Peoples R China (author)
  • Zhang, LeiXi An Jiao Tong Univ, Peoples R China (author)
  • Zhang, FenglingLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)fenzh60 (author)
  • Liu, XinfengCAS Ctr Excellence Nanosci, Peoples R China (author)
  • Ma, WeiXi An Jiao Tong Univ, Peoples R China (author)
  • Xi An Jiao Tong Univ, Peoples R ChinaCAS Ctr Excellence Nanosci, Peoples R China (creator_code:org_t)

Related titles

  • In:Nano Energy: ELSEVIER662211-28552211-3282

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