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Issue 12, 2014
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Highly luminescent and transparent ZnO quantum dots–epoxy composite used for white light emitting diodes

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Abstract

By using epoxy silane as a modifier and stabilizer, ZnO quantum dots (QDs) were synthesized by a one-step precipitation approach. The ZnO QDs acquired showed satisfactory redispersibility and exhibited strong and stable photoluminescence in both solution and dry states. When the ZnO QDs content was as high as 8 wt%, the ZnO QDs–epoxy nanocomposite was still highly transparent and luminescent. Accordingly, the ZnO QDs can be used as a luminescent material, and a cool white light emitting diode (WLED) lamp was made by encapsulating a UV chip with the nanocomposite, without traditional tricolor rare earth phosphors. Additionally, the high loading nanocomposite possessed high ultraviolet resistance, which would help to improve the lifetime of the WLED.

Graphical abstract: Highly luminescent and transparent ZnO quantum dots–epoxy composite used for white light emitting diodes

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The article was received on 03 Dec 2013, accepted on 26 Dec 2013 and first published on 06 Jan 2014


Article type: Communication
DOI: 10.1039/C3CP55098B
Citation: Phys. Chem. Chem. Phys., 2014,16, 5480-5484
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    Highly luminescent and transparent ZnO quantum dots–epoxy composite used for white light emitting diodes

    J. J. Huang, Y. B. Ye, Z. Q. Lei, X. J. Ye, M. Z. Rong and M. Q. Zhang, Phys. Chem. Chem. Phys., 2014, 16, 5480
    DOI: 10.1039/C3CP55098B

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