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  • Zou, YataoLinköpings universitet,Linköping University,Soochow University,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Soochow Univ, Peoples R China (author)

Manipulating crystallization dynamics through chelating molecules for bright perovskite emitters

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021-08-10
  • Springer Science and Business Media LLC,2021

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:8ea0d09d-d128-4527-a94c-99196c6ba3ed
  • https://lup.lub.lu.se/record/8ea0d09d-d128-4527-a94c-99196c6ba3edURI
  • https://doi.org/10.1038/s41467-021-25092-7DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-178492URI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • Funding Agencies|ERC Starting GrantEuropean Research Council (ERC) [717026]; Swedish Energy Agency EnergimyndighetenSwedish Energy Agency [48758-1, 44651-1]; Swedish Research Council VRSwedish Research Council; NanoLund; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009-00971]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91833303, 61974098, 62005126]; National Key Research and Development Program [2016YFA0201900]; Jiangsu High Educational Natural Science Foundation [18KJA430012]; 111 ProgramMinistry of Education, China - 111 Project; Collaborative Innovation Center of Suzhou Nano Science and Technology; Collaborative Innovation Center of Suzhou Nano Science Technology; Research Foundation - Flanders (FWO)FWO [12Y7218N, 12Y7221N, G098319N]; KU Leuven Research FundKU Leuven [C14/19/079, 201806920071, 201906830040, 201608530162, 201806460021]; China Scholarship CouncilChina Scholarship Council
  • Molecular additives are widely utilized to minimize non-radiative recombination in metal halide perovskite emitters due to their passivation effects from chemical bonds with ionic defects. However, a general and puzzling observation that can hardly be rationalized by passivation alone is that most of the molecular additives enabling high-efficiency perovskite light-emitting diodes (PeLEDs) are chelating (multidentate) molecules, while their respective monodentate counterparts receive limited attention. Here, we reveal the largely ignored yet critical role of the chelate effect on governing crystallization dynamics of perovskite emitters and mitigating trap-mediated non-radiative losses. Specifically, we discover that the chelate effect enhances lead-additive coordination affinity, enabling the formation of thermodynamically stable intermediate phases and inhibiting halide coordination-driven perovskite nucleation. The retarded perovskite nucleation and crystal growth are key to high crystal quality and thus efficient electroluminescence. Our work elucidates the full effects of molecular additives on PeLEDs by uncovering the chelate effect as an important feature within perovskite crystallization. As such, we open new prospects for the rationalized screening of highly effective molecular additives.

Subject headings and genre

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  • Teng, PengpengLinköpings universitet,Linköping University,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Nanjing Univ Aeronaut & Astronaut, Peoples R China(Swepub:liu)pente85 (author)
  • Xu, WeidongLinköpings universitet,Linköping University,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)weixu55 (author)
  • Zheng, GuanhaojieLinköpings universitet,Linköping University,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)guazh32 (author)
  • Lin, WeihuaLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Sweden(Swepub:lu)li0306we (author)
  • Yin, JunKing Abdullah University of Science and Technology,King Abdullah Univ Sci & Technol, Saudi Arabia (author)
  • Kobera, LiborAcademy of Sciences of the Czech Republic,Czech Acad Sci, Czech Republic (author)
  • Abbrent, SabinaAcademy of Sciences of the Czech Republic,Czech Acad Sci, Czech Republic (author)
  • Li, XiangchunNanjing Univ Posts & Telecommun, Peoples R China (author)
  • Steele, Julian A.Catholic University of Leuven,Katholieke Univ Leuven, Belgium (author)
  • Solano, EduardoAlba Synchrotron Light Source, Spain (author)
  • Roeffaers, Maarten B.J.Catholic University of Leuven,Katholieke Univ Leuven, Belgium,Czech Acad Sci, Czech Republic (author)
  • Li, JunLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Sweden(Swepub:lu)ju3215li (author)
  • Cai, LeiSoochow University,Soochow Univ, Peoples R China (author)
  • Kuang, ChaoyangLinköpings universitet,Linköping University,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)chaku79 (author)
  • Scheblykin, Ivan G.Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Sweden(Swepub:lu)chem-isc (author)
  • Brus, JiriAcademy of Sciences of the Czech Republic (author)
  • Zheng, KaiboLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark,Lund Univ, Sweden; Tech Univ Denmark, Denmark(Swepub:lu)chem-kbz (author)
  • Yang, YingNanjing Univ Aeronaut & Astronaut, Peoples R China (author)
  • Mohammed, Omar F.King Abdullah University of Science and Technology,King Abdullah Univ Sci & Technol, Saudi Arabia (author)
  • Bakr, Osman M.King Abdullah University of Science and Technology,King Abdullah Univ Sci & Technol, Saudi Arabia (author)
  • Pullerits, TönuLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Sweden(Swepub:lu)chph-tp (author)
  • Bai, SaiLinköpings universitet,Linköping University,Elektroniska och fotoniska material,Tekniska fakulteten,Zhejiang Univ, Peoples R China(Swepub:liu)saiba14 (author)
  • Sun, BaoquanSoochow University,Soochow Univ, Peoples R China (author)
  • Gao, FengLinköpings universitet,Linköping University,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)fenga88 (author)
  • Linköping UniversitySoochow University (creator_code:org_t)

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  • In:Nature Communications: Springer Science and Business Media LLC12:12041-1723

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