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High-concentration Photochemical Upconverters

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Abstract

Effective photochemical upconversion based on triplet-triplet annihilation requires high concentrations of excited absorbers, due to nonlinearity with excitation density. Pursuing this, nanoparticle-tethered triplet sensitizers were prepared, characterized by optical spectroscopy, and assessed as upconversion materials.

© 2014 Optical Society of America

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