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Issue 6, 2016
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Annihilation upconversion in nanoconfinement: solving the oxygen quenching problem

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Abstract

This article reviews different approaches towards the protection of optically excited organic triplet ensembles in nanoconfinement against quenching and photoinduced oxidation by molecular oxygen. We compare and discuss passive and active protection. The passive protection is based on the application of high-barrier materials for the encapsulation of the active substances which prevent oxygen molecules from penetration and physical contact with the excited states, and active protection is based on the application of sacrificial singlet oxygen scavenging species. The long-term performance of different protective techniques together with the efficiency of the annihilation upconversion process in nanoconfinement are outlined.

Graphical abstract: Annihilation upconversion in nanoconfinement: solving the oxygen quenching problem

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Publication details

The article was received on 04 Aug 2016, accepted on 12 Sep 2016 and first published on 29 Sep 2016


Article type: Minireview
DOI: 10.1039/C6MH00289G
Citation: Mater. Horiz., 2016,3, 478-486
  • Open access: Creative Commons BY license
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    Annihilation upconversion in nanoconfinement: solving the oxygen quenching problem

    S. Baluschev, K. Katta, Y. Avlasevich and K. Landfester, Mater. Horiz., 2016, 3, 478
    DOI: 10.1039/C6MH00289G

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