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author：

Cai, J. (Cai, J..) [1] | Zhang, X. (Zhang, X..) [2] | Chen, Y. (Chen, Y..) [3] | Lai, W. (Lai, W..) [4] | Zhang, W. (Zhang, W..) [5] | Lin, Z. (Lin, Z..) [6] | Ye, Y. (Ye, Y..) [7] | Xu, S. (Xu, S..) [8] | Guo, T. (Guo, T..) [9] | Luo, J. (Luo, J..) [10] | Chen, E. (Chen, E..) [11]

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Scopus

Abstract：

Inorganic　metal　halide　perovskite　quantum　dots　(PQDs)　have　recently　emerged　as　promising　candidates　for　color　conversion　materials　in　Micro-LED　displays,　due　to　their　outstanding　color　purity,　high　absorption　coefficient,　tunable　emission　wavelength.　However　the　inferior　stability　and　undesirable　photoluminescence　quantum　yield　(PLQY)　restrict　their　particle　applications.　Herein,　CsPbX3/PMMA　(X　=　Br,　I)　composites　with　improved　stability　and　optical　performance　were　successfully　prepared　by　a　general　and　mild　in-situ　polymerization　strategy.　The　ester　carbonyl　(C[dbnd]O)　group　in　MMA　formed　complexes　with　Pb2+,　leading　to　the　in-situ　thermal　polymerization　of　polymethyl　methacrylate　(PMMA)　under　the　action　of　the　initiator.　The　multifunctional　PMMA　can　efficiently　passivate　halogen　vacancies　while　acting　as　a　barrier　against　the　degradation　caused　by　heat,　water,　and　oxygen.　As　a　result,　the　PLQYs　and　stability　of　PMMA-coated　CsPbX3　PQDs　have　been　significantly　improved.　When　implementing　CsPbX3/PMMA/PDMS　composites　as　color　conversion　layers　in　Micro-LEDs,　they　achieve　an　impressive　color　gamut　of　127.23%　with　excellent　stability.　We　believe　our　work　will　stimulate　the　exploration　of　perovskite/polymer　composites　for　industrial　Micro-LED　applications.　©　2024

Keyword：

Inorganic metal halide perovskite quantum dots In-situ polymerization Micro-LED Photoluminescence PMMA

Community：

  • [ 1 ] [Cai J.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Zhang X.]Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
  • [ 3 ] [Chen Y.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Lai W.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Zhang W.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Lin Z.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Ye Y.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Ye Y.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
  • [ 9 ] [Xu S.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Xu S.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
  • [ 11 ] [Guo T.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 12 ] [Guo T.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
  • [ 13 ] [Luo J.]Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
  • [ 14 ] [Chen E.]National & Local United Engineering Laboratory of Flat Panel Display Technology, College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 15 ] [Chen E.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China

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Source ：

Journal of Luminescence

ISSN： 0022-2313

Year： 2024

Volume： 269

3 . 3 0 0

JCR@2023

CAS Journal Grade：3

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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