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Université de Fribourg

Influence of temperature on low-power upconversion in rubbery polymer blends

Singh-Rachford, Tanya N. ; Lott, Joseph ; Weder, Christoph ; Castellano, Felix N.

In: Journal of the American Chemical Society, 2009, vol. 131, no. 33, p. 12007–12014

The upconverting properties of a dye cocktail composed of palladium(II) octaethylporphyrin (PdOEP, triplet sensitizer) and 9,10-diphenylanthracene (DPA, triplet acceptor/annihilator) were investigated as a function of temperature in several low glass transition temperature (Tg) polymer hosts including an ethyleneoxide-epichlorohydrin copolymer (EO-EPI) and the polyurethanes...