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  • Chai, GaodaHong Kong Univ Sci & Technol, Peoples R China (author)

Deciphering the Role of Chalcogen-Containing Heterocycles in Nonfullerene Acceptors for Organic Solar Cells

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-10-15
  • AMER CHEMICAL SOC,2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-172630
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-172630URI
  • https://doi.org/10.1021/acsenergylett.0c01688DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • Funding Agencies|Shen Zhen Technology and Innovation Commission [JCYJ20170413173814007, JCYJ20170818113905024]; Hong Kong Research Grants CouncilHong Kong Research Grants Council [R6021-18, 16305915, 16322416, 606012, 16303917]; Hong Kong Innovation and Technology Commission [ITC-CNERC14SC01, ITS/471/18]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [91433202]; National Key Research and Development Program of China - MOST [2019YFA0705900]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [61974006]; Guangdong Natural Science FoundationNational Natural Science Foundation of Guangdong Province [2018A030313332]; National Natural Research Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21702158]; ONROffice of Naval Research [N000141712204]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-AC02-05CH11231]
  • The field of organic solar cells has experienced paradigm-shifting changes in recent years because of the emergence of nonfullerene acceptors (NFAs). It is critically important to gain more insight into the structure-property relationship of the emerging A-DAD-A-type NFAs. In this Letter, a family of NFAs named BPF-4F, BPT-4F, and BPS-4F incorporating various chalcogen-containing heterocycles, i.e., furan, thiophene, and selenophene, respectively, was designed and synthesized. These NFAs exhibited dramatic differences in their photovoltaic performances with device efficiencies of 16.8% achieved by the thiophene-based cells, which was much higher than the furan-based ones (12.6%). In addition, the selenophene-based NFA showed a red-shifted absorption relative to the furan- and thiophene-based ones and obtained a decent efficiency of 16.3% owing to an improved J(SC). The reasons why these NFAs performed differently are systematically studied by comparing their optoelectronic properties and film morphology, which provides new understandings of the molecular design of high-performance NFAs.

Subject headings and genre

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

  • Zhang, JianquanHong Kong Univ Sci & Technol, Peoples R China (author)
  • Pan, MingaoHong Kong Univ Sci & Technol, Peoples R China (author)
  • Wang, ZhenNorth Carolina State Univ, NC 27695 USA; North Carolina State Univ, NC 27695 USA (author)
  • Yu, JianweiLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)jiayu39 (author)
  • Liang, JiaenHong Kong Univ Sci & Technol, Peoples R China (author)
  • Yu, HanHong Kong Univ Sci & Technol, Peoples R China (author)
  • Chen, YuzhongHong Kong Univ Sci & Technol, Peoples R China (author)
  • Shang, AoHong Kong Univ Sci & Technol, Peoples R China (author)
  • Liu, XiyuanPeking Univ, Peoples R China (author)
  • Bai, FujinHong Kong Univ Sci & Technol, Peoples R China (author)
  • Ma, RuijieHong Kong Univ Sci & Technol, Peoples R China (author)
  • Chang, YuanHong Kong Univ Sci & Technol, Peoples R China (author)
  • Luo, SiweiHong Kong Univ Sci & Technol, Peoples R China (author)
  • Zeng, AnpingHong Kong Univ Sci & Technol, Peoples R China (author)
  • Zhou, HangPeking Univ, Peoples R China (author)
  • Chen, KaiXi An Jiao Tong Univ, Peoples R China (author)
  • Gao, FengLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)fenga88 (author)
  • Ade, HaraldNorth Carolina State Univ, NC 27695 USA; North Carolina State Univ, NC 27695 USA (author)
  • Yan, HeHong Kong Univ Sci & Technol, Peoples R China; South China Univ Technol, Peoples R China (author)
  • Hong Kong Univ Sci & Technol, Peoples R ChinaNorth Carolina State Univ, NC 27695 USA; North Carolina State Univ, NC 27695 USA (creator_code:org_t)

Related titles

  • In:ACS Energy Letters: AMER CHEMICAL SOC5:11, s. 3415-34252380-8195

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