An Optical Thermometer Based on the Delayed Fluorescence of C70

DOI to cite this document:: 10.5283/epub.20201

Baleizão, Carlos

; Nagl, Stefan

; Borisov, Sergey M.

; Schäferling, Michael ; Wolfbeis, Otto S.

; Berberan-Santos, Mário N.

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Date of publication of this fulltext: 18 Mar 2011 08:06

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Abstract

A sensitive and broad-ranged optical thermoraeter, based on the thermally activated delayed fluorescence of fullerene C-70, is presented. It consists of C-70 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 degrees C the fluorescence intensity of C-70 increases ...