Temperature Dependence of Triplet-Triplet Annihilation Upconversion in Phospholipid Membranes

S.H.C. Askes, P. Brodie, G. Bruylants, S. Bonnet

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

© 2017 American Chemical Society.Understanding the temperature dependency of triplet-triplet annihilation upconversion (TTA-UC) is important for optimizing biological applications of upconversion. Here the temperature dependency of red-to-blue TTA-UC is reported in a variety of neutral PEGylated phospholipid liposomes. In these systems a delicate balance between lateral diffusion rate of the dyes, annihilator aggregation, and sensitizer self-quenching leads to a volcano plot, with the maximum upconversion intensity occurring near the main order-disorder transition temperature of the lipid membrane.
Original languageEnglish
Pages (from-to)780-786
JournalJournal of Physical Chemistry B
Volume121
Issue number4
DOIs
Publication statusPublished - 2 Feb 2017
Externally publishedYes

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