Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation

Titled nanowire LED is brighter Nanowire LEDs are more robust than thought in their emission wavelengths, light output when put on flexible substrates, even under mechanical bending. A collaborative team led by Prof William S. Wong from University of Waterloo, Canada demonstrates vertical GaN nanowi...

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Autores principales:	Mohsen Asad, Renjie Wang, Yong-Ho Ra, Pranav Gavirneni, Zetian Mi, William S. Wong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/2f7f6501704d4ae98073fea758b12054
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spelling	oai:doaj.org-article:2f7f6501704d4ae98073fea758b120542021-12-02T18:17:29ZOptically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation10.1038/s41528-019-0059-z2397-4621https://doaj.org/article/2f7f6501704d4ae98073fea758b120542019-08-01T00:00:00Zhttps://doi.org/10.1038/s41528-019-0059-zhttps://doaj.org/toc/2397-4621Titled nanowire LED is brighter Nanowire LEDs are more robust than thought in their emission wavelengths, light output when put on flexible substrates, even under mechanical bending. A collaborative team led by Prof William S. Wong from University of Waterloo, Canada demonstrates vertical GaN nanowire LEDs on flexible PET substrates and optimize the light output by tuning the geometric orientation and substrate bending. A facile double-transfer method is developed to migrate the nanowires to a flexible PET substrate while keeping the devices in their original orientation and thus the light output insensitive to substrate bending. More interestingly, the light output can be greatly increased by tilting the GaN nanowires by a small angle from the normal plane, due to enhanced electromagnetic coupling. This work presents a viable way to add the flexibility to nanowire LED devices without compromising the performance.Mohsen AsadRenjie WangYong-Ho RaPranav GavirneniZetian MiWilliam S. WongNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 3, Iss 1, Pp 1-6 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492 Mohsen Asad Renjie Wang Yong-Ho Ra Pranav Gavirneni Zetian Mi William S. Wong Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
description	Titled nanowire LED is brighter Nanowire LEDs are more robust than thought in their emission wavelengths, light output when put on flexible substrates, even under mechanical bending. A collaborative team led by Prof William S. Wong from University of Waterloo, Canada demonstrates vertical GaN nanowire LEDs on flexible PET substrates and optimize the light output by tuning the geometric orientation and substrate bending. A facile double-transfer method is developed to migrate the nanowires to a flexible PET substrate while keeping the devices in their original orientation and thus the light output insensitive to substrate bending. More interestingly, the light output can be greatly increased by tilting the GaN nanowires by a small angle from the normal plane, due to enhanced electromagnetic coupling. This work presents a viable way to add the flexibility to nanowire LED devices without compromising the performance.
format	article
author	Mohsen Asad Renjie Wang Yong-Ho Ra Pranav Gavirneni Zetian Mi William S. Wong
author_facet	Mohsen Asad Renjie Wang Yong-Ho Ra Pranav Gavirneni Zetian Mi William S. Wong
author_sort	Mohsen Asad
title	Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
title_short	Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
title_full	Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
title_fullStr	Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
title_full_unstemmed	Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation
title_sort	optically invariant ingan nanowire light-emitting diodes on flexible substrates under mechanical manipulation
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/2f7f6501704d4ae98073fea758b12054
work_keys_str_mv	AT mohsenasad opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation AT renjiewang opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation AT yonghora opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation AT pranavgavirneni opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation AT zetianmi opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation AT williamswong opticallyinvariantingannanowirelightemittingdiodesonflexiblesubstratesundermechanicalmanipulation
_version_	1718378265065816064

Optically invariant InGaN nanowire light-emitting diodes on flexible substrates under mechanical manipulation

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