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June 29, 2007Advanced Materials227 citations

Preparation of Highly Luminescent Nanocrystals and Their Application to Light‐Emitting Diodes

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JLJ. LimSamsung (South Korea)SJSangmi JunKorea Basic Science InstituteEJEunjoo JangHansol Chemical (South Korea)

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Abstract

Core/multishell-structured semiconductor nanocrystals (NCs) are prepared in multigram amounts through a one-pot process without a core-separation step (see figure and cover). The NCs show a maximum quantum efficiency of 85 % at a controlled wavelength and strong photostability against UV-light bleaching. The NCs are applied as phosphors on UV-light-emitting diodes (390 nm source), which emit light at 620 nm with a 48 % power conversion efficiency.

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Lim et al. (2007) studied this question.

synapsesocial.com/papers/6a71712ba7fbea1e44086afdhttps://doi.org/10.1002/adma.200602642
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