Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells

Abstract We report the enhancement of the polarization and internal quantum efficiency (IQE) of deep-UV LEDs by evaporating Al nanoparticles on the device surface to induce localized surface plasmons (LSPs). The deep-UV LEDs polarization is improved due to part of TM emission turns into TE emission...

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Autores principales:	Cai Zhang, Ning Tang, Liangliang Shang, Lei Fu, Weiying Wang, Fujun Xu, Xinqiang Wang, Weikun Ge, Bo Shen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/305ac362b44c4fc4bf568eb821207e60
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spelling	oai:doaj.org-article:305ac362b44c4fc4bf568eb821207e602021-12-02T16:06:29ZLocal surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells10.1038/s41598-017-02590-72045-2322https://doaj.org/article/305ac362b44c4fc4bf568eb821207e602017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02590-7https://doaj.org/toc/2045-2322Abstract We report the enhancement of the polarization and internal quantum efficiency (IQE) of deep-UV LEDs by evaporating Al nanoparticles on the device surface to induce localized surface plasmons (LSPs). The deep-UV LEDs polarization is improved due to part of TM emission turns into TE emission through LSPs coupling. The significantly enhanced IQE is attributed to LSPs coupling, which suppress the participation of delocalized and dissociated excitons to non-radiative recombination process.Cai ZhangNing TangLiangliang ShangLei FuWeiying WangFujun XuXinqiang WangWeikun GeBo ShenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-5 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Cai Zhang Ning Tang Liangliang Shang Lei Fu Weiying Wang Fujun Xu Xinqiang Wang Weikun Ge Bo Shen Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
description	Abstract We report the enhancement of the polarization and internal quantum efficiency (IQE) of deep-UV LEDs by evaporating Al nanoparticles on the device surface to induce localized surface plasmons (LSPs). The deep-UV LEDs polarization is improved due to part of TM emission turns into TE emission through LSPs coupling. The significantly enhanced IQE is attributed to LSPs coupling, which suppress the participation of delocalized and dissociated excitons to non-radiative recombination process.
format	article
author	Cai Zhang Ning Tang Liangliang Shang Lei Fu Weiying Wang Fujun Xu Xinqiang Wang Weikun Ge Bo Shen
author_facet	Cai Zhang Ning Tang Liangliang Shang Lei Fu Weiying Wang Fujun Xu Xinqiang Wang Weikun Ge Bo Shen
author_sort	Cai Zhang
title	Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
title_short	Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
title_full	Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
title_fullStr	Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
title_full_unstemmed	Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells
title_sort	local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from algan-based quantum wells
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/305ac362b44c4fc4bf568eb821207e60
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Local surface plasmon enhanced polarization and internal quantum efficiency of deep ultraviolet emissions from AlGaN-based quantum wells

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