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Issue 31, 2016
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Recent emergence of photon upconversion based on triplet energy migration in molecular assemblies

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Abstract

An emerging field of triplet energy migration-based photon upconversion (TEM-UC) is reviewed. Highly efficient photon upconversion has been realized in a wide range of chromophore assemblies, such as non-solvent liquids, ionic liquids, amorphous solids, gels, supramolecular assemblies, molecular crystals, and metal–organic frameworks (MOFs). The control over their assembly structures allows for unexpected air-stability and maximum upconversion quantum yield at weak solar irradiance that has never been achieved by the conventional molecular diffusion-based mechanism. The introduction of the “self-assembly” concept offers a new perspective in photon upconversion research and triplet exciton science, which show promise for numerous applications ranging from solar energy conversion to chemical biology.

Graphical abstract: Recent emergence of photon upconversion based on triplet energy migration in molecular assemblies

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Submitted
05 Jan 2016
Accepted
22 Feb 2016
First published
07 Mar 2016

Chem. Commun., 2016,52, 5354-5370
Article type
Feature Article

Recent emergence of photon upconversion based on triplet energy migration in molecular assemblies

N. Yanai and N. Kimizuka, Chem. Commun., 2016, 52, 5354
DOI: 10.1039/C6CC00089D

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