Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots

Magic clusters have attracted significant interest to explore the dynamics of quantum dot (QD) nucleation and growth. At the same time, CdSe magic-sized QDs reveal broadband emission in the visible wavelength region, which advantageously offer simple integration of a single-type of nanomaterial and...

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Autores principales: Sadeghi, Sadra, Khabbaz Abkenar, Sirous, Ow-Yang, Cleva W., Nizamoglu, Sedat
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6624196/
https://www.ncbi.nlm.nih.gov/pubmed/31296920
http://dx.doi.org/10.1038/s41598-019-46581-2
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author Sadeghi, Sadra
Khabbaz Abkenar, Sirous
Ow-Yang, Cleva W.
Nizamoglu, Sedat
author_facet Sadeghi, Sadra
Khabbaz Abkenar, Sirous
Ow-Yang, Cleva W.
Nizamoglu, Sedat
author_sort Sadeghi, Sadra
collection PubMed
description Magic clusters have attracted significant interest to explore the dynamics of quantum dot (QD) nucleation and growth. At the same time, CdSe magic-sized QDs reveal broadband emission in the visible wavelength region, which advantageously offer simple integration of a single-type of nanomaterial and high color rendering ability for white light-emitting diodes (LEDs). Here, we optimized the quantum yield of magic-sized CdSe QDs up to 22% via controlling the synthesis parameters without any shelling or post-treatment process and integrated them in liquid-state on blue LED to prevent the efficiency drop due to host-material effect. The fabricated white LEDs showed color-rendering index and luminous efficiency up to 89 and 11.7 lm/W, respectively.
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spelling pubmed-66241962019-07-19 Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots Sadeghi, Sadra Khabbaz Abkenar, Sirous Ow-Yang, Cleva W. Nizamoglu, Sedat Sci Rep Article Magic clusters have attracted significant interest to explore the dynamics of quantum dot (QD) nucleation and growth. At the same time, CdSe magic-sized QDs reveal broadband emission in the visible wavelength region, which advantageously offer simple integration of a single-type of nanomaterial and high color rendering ability for white light-emitting diodes (LEDs). Here, we optimized the quantum yield of magic-sized CdSe QDs up to 22% via controlling the synthesis parameters without any shelling or post-treatment process and integrated them in liquid-state on blue LED to prevent the efficiency drop due to host-material effect. The fabricated white LEDs showed color-rendering index and luminous efficiency up to 89 and 11.7 lm/W, respectively. Nature Publishing Group UK 2019-07-11 /pmc/articles/PMC6624196/ /pubmed/31296920 http://dx.doi.org/10.1038/s41598-019-46581-2 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Sadeghi, Sadra
Khabbaz Abkenar, Sirous
Ow-Yang, Cleva W.
Nizamoglu, Sedat
Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title_full Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title_fullStr Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title_full_unstemmed Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title_short Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots
title_sort efficient white leds using liquid-state magic-sized cdse quantum dots
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6624196/
https://www.ncbi.nlm.nih.gov/pubmed/31296920
http://dx.doi.org/10.1038/s41598-019-46581-2
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