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

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Efficient photon upconversion at remarkably low annihilator concentrations in a liquid polymer matrix: when less is more. / Durandin, Nikita A.; Isokuortti, Jussi ; Efimov, Alexander ; Vuorimaa-Laukkanen, Elina ; Tkachenko, Nikolai V.; Laaksonen, Timo.

julkaisussa: Chemical Communications, Vuosikerta 54, Nro 99, 2018, s. 14029-14032.

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Bibtex - Lataa

@article{904272df1c0f409194a423ebfc8a49e9,

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

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.",

keywords = "triplet-triplet annihilation, triplet-triplet energy transfer, triplet state lifetime, upconversion, triplet fusion",

author = "Durandin, {Nikita A.} and Jussi Isokuortti and Alexander Efimov and Elina Vuorimaa-Laukkanen and Tkachenko, {Nikolai V.} and Timo Laaksonen",

year = "2018",

doi = "10.1039/c8cc07592a",

language = "English",

volume = "54",

pages = "14029--14032",

journal = "Chemical Communications",

issn = "1359-7345",

publisher = "ROYAL SOC CHEMISTRY",

number = "99",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Efficient photon upconversion at remarkably low annihilator concentrations in a liquid polymer matrix: when less is more

AU - Durandin, Nikita A.

AU - Isokuortti, Jussi

AU - Efimov, Alexander

AU - Vuorimaa-Laukkanen, Elina

AU - Tkachenko, Nikolai V.

AU - Laaksonen, Timo

PY - 2018

Y1 - 2018

N2 - 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.

AB - 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.

KW - triplet-triplet annihilation

KW - triplet-triplet energy transfer

KW - triplet state lifetime

KW - upconversion

KW - triplet fusion

U2 - 10.1039/c8cc07592a

DO - 10.1039/c8cc07592a

M3 - Article

VL - 54

SP - 14029

EP - 14032

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

IS - 99

ER -

TUTCRIS