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The first transition metal phthalocyanines: sensitizing rubrene emission based on triplet–triplet annihilation

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Abstract

Metallophthalocyanines (MPc-o-Cou, M = Fe, Co, Ni, and Cu) with fourth period metal ions have been successfully applied as a sensitizer coupled with rubrene (Rub) in photon upconversion based on triplet–triplet annihilation. An upconversion quantum yield (ϕPUC) of up to 4.82% was observed in the CoPc-o-Cou : Rub couple. The absorption and phosphorescence emission spectra showed that the Q bands and phosphorescence emission peaks were dramatically dependent on the number of d-electrons of the metal ions in MPc-o-Cou. These results suggested that the photon upconversion behavior of MPc-o-Cou : Rub systems could be managed by altering the metal ions in MPc-o-Cou.

Graphical abstract: The first transition metal phthalocyanines: sensitizing rubrene emission based on triplet–triplet annihilation

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Publication details

The article was received on 20 Dec 2016, accepted on 12 Jun 2017 and first published on 13 Jun 2017


Article type: Paper
DOI: 10.1039/C6PP00464D
Citation: Photochem. Photobiol. Sci., 2017, Advance Article
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    The first transition metal phthalocyanines: sensitizing rubrene emission based on triplet–triplet annihilation

    J. Han, F. Zhang, J. You, Y. Hiroaki, S. Yamada, T. Morifuji, S. Wang and X. Li, Photochem. Photobiol. Sci., 2017, Advance Article , DOI: 10.1039/C6PP00464D

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