Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep23563
Title: Pulsed-laser micropatterned quantum-dot array for white light source
Authors: Wang, S.-W
Lin, H.-Y
Lin, C.-C
Kao, T.S
Chen, K.-J
Han, H.-V
Li, J.-R
Lee, P.-T
Chen, H.-M
Hong, M.-H 
Kuo, H.-C
Issue Date: 2016
Publisher: Nature Publishing Group
Citation: Wang, S.-W, Lin, H.-Y, Lin, C.-C, Kao, T.S, Chen, K.-J, Han, H.-V, Li, J.-R, Lee, P.-T, Chen, H.-M, Hong, M.-H, Kuo, H.-C (2016). Pulsed-laser micropatterned quantum-dot array for white light source. Scientific Reports 6 : 23563. ScholarBank@NUS Repository. https://doi.org/10.1038/srep23563
Rights: Attribution 4.0 International
Abstract: In this study, a novel photoluminescent quantum dots device with laser-processed microscale patterns has been demonstrated to be used as a white light emitting source. The pulsed laser ablation technique was employed to directly fabricate microscale square holes with nano-ripple structures onto the sapphire substrate of a flip-chip blue light-emitting diode, confining sprayed quantum dots into well-defined areas and eliminating the coffee ring effect. The electroluminescence characterizations showed that the white light emission from the developed photoluminescent quantum-dot light-emitting diode exhibits stable emission at different driving currents. With a flexibility of controlling the quantum dots proportions in the patterned square holes, our developed white-light emitting source not only can be employed in the display applications with color triangle enlarged by 47% compared with the NTSC standard, but also provide the great potential in future lighting industry with the correlated color temperature continuously changed in a wide range.
Source Title: Scientific Reports
URI: https://scholarbank.nus.edu.sg/handle/10635/182489
ISSN: 2045-2322
DOI: 10.1038/srep23563
Rights: Attribution 4.0 International
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