Characterising upconversion thermometers through direct absolute photoluminescence quantum yield measurements

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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.

Original languageEnglish
Title of host publicationOptical Sensors 2021
PublisherOPTICA Publishing Group
ISBN (Electronic)9781943580903
DOIs
Publication statusPublished - 19 Jul 2021
EventOptical Sensors 2021 - Virtual, Online, United States
Duration: 19 Jul 202123 Jul 2021

Conference

ConferenceOptical Sensors 2021
Country/TerritoryUnited States
CityVirtual, Online
Period19/07/2123/07/21

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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