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Issue 11, 2016
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Exciton energy recycling from ZnO defect levels: towards electrically driven hybrid quantum-dot white light-emitting-diodes

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Abstract

An electrically driven quantum-dot hybrid white light-emitting diode is fabricated via spin coating CdSe quantum dots onto a GaN/ZnO nanorod matrix. For the first time, quantum dots are excited by fluorescence resonance energy transfer from the carriers trapped at surface defect levels. The prototype device exhibits achromatic emission, with a chromaticity coordinate of (0.327, 0.330), and correlated color temperature similar to sunlight.

Graphical abstract: Exciton energy recycling from ZnO defect levels: towards electrically driven hybrid quantum-dot white light-emitting-diodes

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Publication details

The article was received on 29 Dec 2015, accepted on 09 Feb 2016 and first published on 10 Feb 2016


Article type: Communication
DOI: 10.1039/C5NR09261B
Citation: Nanoscale, 2016,8, 5835-5841
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    Exciton energy recycling from ZnO defect levels: towards electrically driven hybrid quantum-dot white light-emitting-diodes

    X. Zhao, W. Liu, R. Chen, Y. Gao, B. Zhu, H. V. Demir, S. Wang and H. Sun, Nanoscale, 2016, 8, 5835
    DOI: 10.1039/C5NR09261B

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