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Wiley, Advanced Materials, 30(24), p. 4180-4185, 2012

DOI: 10.1002/adma.201104990

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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

Journal article published in 2012 by Xuyong Yang, Dewei Zhao, Kheng Swee Leck, Swee Tiam Tan, Yu Xin Tang, Junliang Zhao, Hilmi Volkan Demir, Xiao Wei Sun ORCID
This paper is available in a repository.
This paper is available in a repository.

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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.