An Optical Thermometer Based on the Delayed Fluorescence of C70

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.20201

Baleizão, Carlos ; Nagl, Stefan ; Borisov, Sergey M. ; Schäferling, Michael ; Wolfbeis, Otto S. ; Berberan-Santos, Mário N.

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Veröffentlichungsdatum dieses Volltextes: 18 Mrz 2011 08:06

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Zusammenfassung

A sensitive and broad-ranged optical thermometer, based on the thermally activated delayed fluorescence of fullerene C70, is presented. It consists of C70 molecularly dispersed in a polymer film. Several polymer matrices were investigated. In the absence of oxygen the fluorescence intensity increases markedly with temperature. At 25 °C the fluorescence intensity of C70 increases maximally by a ...