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      Full Visible Range Covering InP/ZnS Nanocrystals with High Photometric Performance and Their Application to White Quantum Dot Light-Emitting Diodes

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      Author
      Yang, X.
      Zhao, D.
      Leck K.S.
      Tan S.T.
      Tang, Y. X.
      Zhao, J.
      Demir, Hilmi Volkan
      Sun, X. W.
      Date
      2012-04-30
      Source Title
      Advanced Materials
      Print ISSN
      0935-9648
      Publisher
      Wiley-VCH Verlag
      Volume
      24
      Issue
      30
      Pages
      4180 - 4185
      Language
      English
      Type
      Article
      Item Usage Stats
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      398
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      Abstract
      High-quality InP/ZnS core–shell nanocrystals with luminescence tunable over the entire visible spectrum have been achieved by a facile one-pot solvothermal method. These nanocrystals exhibit high quantum yields (above 60%), wide emission spectrum tunability and excellent photostability. The FWHM can be as narrow as 38 nm, which is close to that of CdSe nanocrystals. Also, making use of these nanocrystals, we further demonstrated a cadmium-free white QD-LED with a high color rendering index of 91. The high-performance of the resulting InP/ZnS NCs coupled with their low intrinsic toxicity may further promote industrial applications of these NC emitters.
      Keywords
      Indium phosphide
      Nanocrystal
      Solvothermal synthesis
      Photoluminescence
      Led
      Permalink
      http://hdl.handle.net/11693/13198
      Published Version (Please cite this version)
      http://dx.doi.org/10.1002/adma.201104990
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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