Lanthanide upconversion luminescence at the nanoscale: Fundamentals and optical properties

Research output: Contribution to journalReview articleResearchpeer-review

Abstract

Upconversion photoluminescence is a nonlinear effect where multiple lower energy excitation photons produce higher energy emission photons. This fundamentally interesting process has many applications in biomedical imaging, light source and display technology, and solar energy harvesting. In this review we discuss the underlying physical principles and their modelling using rate equations. We discuss how the understanding of photophysical processes enabled a strategic influence over the optical properties of upconversion especially in rationally designed materials. We subsequently present an overview of recent experimental strategies to control and optimize the optical properties of upconversion nanoparticles, focussing on their emission spectral properties and brightness.

LanguageEnglish
Pages13099-13130
Number of pages32
JournalNanoscale
Volume8
Issue number27
DOIs
Publication statusPublished - 21 Jul 2016

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Lanthanoid Series Elements
Rare earth elements
Luminescence
Photons
Optical properties
Excitation energy
Energy harvesting
Solar energy
Light sources
Luminance
Photoluminescence
Display devices
Nanoparticles
Imaging techniques

Cite this

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abstract = "Upconversion photoluminescence is a nonlinear effect where multiple lower energy excitation photons produce higher energy emission photons. This fundamentally interesting process has many applications in biomedical imaging, light source and display technology, and solar energy harvesting. In this review we discuss the underlying physical principles and their modelling using rate equations. We discuss how the understanding of photophysical processes enabled a strategic influence over the optical properties of upconversion especially in rationally designed materials. We subsequently present an overview of recent experimental strategies to control and optimize the optical properties of upconversion nanoparticles, focussing on their emission spectral properties and brightness.",
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Lanthanide upconversion luminescence at the nanoscale : Fundamentals and optical properties. / Nadort, Annemarie; Zhao, Jiangbo; Goldys, Ewa M.

In: Nanoscale, Vol. 8, No. 27, 21.07.2016, p. 13099-13130.

Research output: Contribution to journalReview articleResearchpeer-review

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