Dye Sensitization for Ultraviolet Upconversion Enhancement

Upconversion nanocrystals that converted near-infrared radiation into emission in the ultraviolet spectral region offer many exciting opportunities for drug release, photocatalysis, photodynamic therapy, and solid-state lasing. However, a key challenge is the development of lanthanide-doped nanocrys...

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Autores principales:	Mingkai Wang, Hanlin Wei, Shuai Wang, Chuanyu Hu, Qianqian Su
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	lanthanide nanoparticles ultraviolet upconversion dye sensitization heterogeneous nanoparticles energy transfer luminescence enhancement Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6d2014f433324e66a4727df1eefb681a
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id	oai:doaj.org-article:6d2014f433324e66a4727df1eefb681a
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spelling	oai:doaj.org-article:6d2014f433324e66a4727df1eefb681a2021-11-25T18:32:33ZDye Sensitization for Ultraviolet Upconversion Enhancement10.3390/nano111131142079-4991https://doaj.org/article/6d2014f433324e66a4727df1eefb681a2021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3114https://doaj.org/toc/2079-4991Upconversion nanocrystals that converted near-infrared radiation into emission in the ultraviolet spectral region offer many exciting opportunities for drug release, photocatalysis, photodynamic therapy, and solid-state lasing. However, a key challenge is the development of lanthanide-doped nanocrystals with efficient ultraviolet emission, due to low conversion efficiency. Here, we develop a dye-sensitized, heterogeneous core–multishelled lanthanide nanoparticle for ultraviolet upconversion enhancement. We systematically study the main influencing factors on ultraviolet upconversion emission, including dye concentration, excitation wavelength, and dye-sensitizer distance. Interestingly, our experimental results demonstrate a largely promoted multiphoton upconversion. The underlying mechanism and detailed energy transfer pathway are illustrated. These findings offer insights into future developments of highly ultraviolet-emissive nanohybrids and provide more opportunities for applications in photo-catalysis, biomedicine, and environmental science.Mingkai WangHanlin WeiShuai WangChuanyu HuQianqian SuMDPI AGarticlelanthanide nanoparticlesultraviolet upconversiondye sensitizationheterogeneous nanoparticlesenergy transferluminescence enhancementChemistryQD1-999ENNanomaterials, Vol 11, Iss 3114, p 3114 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	lanthanide nanoparticles ultraviolet upconversion dye sensitization heterogeneous nanoparticles energy transfer luminescence enhancement Chemistry QD1-999
spellingShingle	lanthanide nanoparticles ultraviolet upconversion dye sensitization heterogeneous nanoparticles energy transfer luminescence enhancement Chemistry QD1-999 Mingkai Wang Hanlin Wei Shuai Wang Chuanyu Hu Qianqian Su Dye Sensitization for Ultraviolet Upconversion Enhancement
description	Upconversion nanocrystals that converted near-infrared radiation into emission in the ultraviolet spectral region offer many exciting opportunities for drug release, photocatalysis, photodynamic therapy, and solid-state lasing. However, a key challenge is the development of lanthanide-doped nanocrystals with efficient ultraviolet emission, due to low conversion efficiency. Here, we develop a dye-sensitized, heterogeneous core–multishelled lanthanide nanoparticle for ultraviolet upconversion enhancement. We systematically study the main influencing factors on ultraviolet upconversion emission, including dye concentration, excitation wavelength, and dye-sensitizer distance. Interestingly, our experimental results demonstrate a largely promoted multiphoton upconversion. The underlying mechanism and detailed energy transfer pathway are illustrated. These findings offer insights into future developments of highly ultraviolet-emissive nanohybrids and provide more opportunities for applications in photo-catalysis, biomedicine, and environmental science.
format	article
author	Mingkai Wang Hanlin Wei Shuai Wang Chuanyu Hu Qianqian Su
author_facet	Mingkai Wang Hanlin Wei Shuai Wang Chuanyu Hu Qianqian Su
author_sort	Mingkai Wang
title	Dye Sensitization for Ultraviolet Upconversion Enhancement
title_short	Dye Sensitization for Ultraviolet Upconversion Enhancement
title_full	Dye Sensitization for Ultraviolet Upconversion Enhancement
title_fullStr	Dye Sensitization for Ultraviolet Upconversion Enhancement
title_full_unstemmed	Dye Sensitization for Ultraviolet Upconversion Enhancement
title_sort	dye sensitization for ultraviolet upconversion enhancement
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6d2014f433324e66a4727df1eefb681a
work_keys_str_mv	AT mingkaiwang dyesensitizationforultravioletupconversionenhancement AT hanlinwei dyesensitizationforultravioletupconversionenhancement AT shuaiwang dyesensitizationforultravioletupconversionenhancement AT chuanyuhu dyesensitizationforultravioletupconversionenhancement AT qianqiansu dyesensitizationforultravioletupconversionenhancement
_version_	1718411022922940416

Dye Sensitization for Ultraviolet Upconversion Enhancement

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