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Sun H, Yang Z, Wei M, et al. Chemically Addressable Perovskite Nanocrystals for Light-Emitting Applications. Adv Mater. 2017;29(34)doi: 10.1002/adma.201701153.
Sun, H., Yang, Z., Wei, M., Sun, W., Li, X., Ye, S., Zhao, Y., Tan, H., Kynaston, E. L., Schon, T. B., Yan, H., Lu, Z. H., Ozin, G. A., Sargent, E. H., & Seferos, D. S. (2017). Chemically Addressable Perovskite Nanocrystals for Light-Emitting Applications. Advanced materials (Deerfield Beach, Fla.), 29(34), . https://doi.org/10.1002/adma.201701153
Sun, Haizhu, et al. "Chemically Addressable Perovskite Nanocrystals for Light-Emitting Applications." Advanced materials (Deerfield Beach, Fla.) vol. 29,34 (2017). doi: https://doi.org/10.1002/adma.201701153
Sun H, Yang Z, Wei M, Sun W, Li X, Ye S, Zhao Y, Tan H, Kynaston EL, Schon TB, Yan H, Lu ZH, Ozin GA, Sargent EH, Seferos DS. Chemically Addressable Perovskite Nanocrystals for Light-Emitting Applications. Adv Mater. 2017 Sep;29(34). doi: 10.1002/adma.201701153. Epub 2017 Jul 10. PMID: 28692786.
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Adv Mater. 2017 Sep;29(34). doi: 10.1002/adma.201701153. Epub 2017 Jul 10.

Chemically Addressable Perovskite Nanocrystals for Light-Emitting Applications.

Advanced materials (Deerfield Beach, Fla.)

Haizhu Sun, Zhenyu Yang, Mingyang Wei, Wei Sun, Xiyan Li, Shuyang Ye, Yongbiao Zhao, Hairen Tan, Emily L Kynaston, Tyler B Schon, Han Yan, Zheng-Hong Lu, Geoffrey A Ozin, Edward H Sargent, Dwight S Seferos

Affiliations

  1. Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
  2. College of Chemistry, National & Local United Engineering Laboratory for Power Batteries, Northeast Normal University, 5268, Renmin Street, Changchun, 130024, P. R. China.
  3. The Edward S. Rogers Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada.
  4. Department of Materials Science and Engineering, University of Toronto, 184 College Street, Toronto, Ontario, M5S 3E4, Canada.

PMID: 28692786 DOI: 10.1002/adma.201701153

Abstract

Whereas organic-inorganic hybrid perovskite nanocrystals (PNCs) have remarkable potential in the development of optoelectronic materials, their relatively poor chemical and colloidal stability undermines their performance in optoelectronic devices. Herein, this issue is addressed by passivating PNCs with a class of chemically addressable ligands. The robust ligands effectively protect the PNC surfaces, enhance PNC solution processability, and can be chemically addressed by thermally induced crosslinking or radical-induced polymerization. This thin polymer shield further enhances the photoluminescence quantum yields by removing surface trap states. Crosslinked methylammonium lead bromide (MAPbBr

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: crosslinking reaction; double bond modification; light-emitting diodes; nanocrystals; perovskites; water resistant

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