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Conferences > Sensors > 2021 > STh7B > STh7B.7

Characterising upconversion thermometers through direct absolute photoluminescence quantum yield measurements

Callum M. S. Jones, Nikita Panov, Eva Hemmer, and Jose Marques-Hueso

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Abstract

Integrating sphere modifications enable novel absolute upconversion photoluminescence quantum yield measurements by heating and controlling sample temperature. Heating above 337K resulted in a 43% and 25% decrease in quantum yield for phosphor and nanoparticles, respectively.

© 2021 The Author(s)

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