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Issue 99, 2018
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Efficient photon upconversion at remarkably low annihilator concentrations in a liquid polymer matrix: when less is more

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Abstract

A green-to-blue triplet–triplet annihilation upconversion of 24.5% quantum yield was achieved at a remarkably low 600 μM annihilator concentration in a viscous polymer matrix. This was made possible by utilizing a ZnTPP-based photosensitizer with exceptionally long 11 ms phosphorescence lifetime. Higher 3 mM annihilator concentration resulted in lower 24% upconversion quantum yield.

Graphical abstract: Efficient photon upconversion at remarkably low annihilator concentrations in a liquid polymer matrix: when less is more

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Article information


Submitted
19 Sep 2018
Accepted
21 Nov 2018
First published
22 Nov 2018

Chem. Commun., 2018,54, 14029-14032
Article type
Communication

Efficient photon upconversion at remarkably low annihilator concentrations in a liquid polymer matrix: when less is more

N. A. Durandin, J. Isokuortti, A. Efimov, E. Vuorimaa-Laukkanen, N. V. Tkachenko and T. Laaksonen, Chem. Commun., 2018, 54, 14029
DOI: 10.1039/C8CC07592A

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