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Two-Photon Excitation Temperature Nanosensors Based on a Conjugated Fluorescent Polymer Doped with a Europium Probe

Wang, Xu-dong ; Meier, Robert J. ; Schäferling, Michael ; Bange, Sebastian ; Lupton, John M. ; Sperber, Michaela ; Wegener, Joachim ; Ondrus, Vladimir ; Beifuss, Uwe ; Henne, Ulrich ; Klein, Christian ; Wolfbeis, Otto S.


A strongly fluorescent organic semiconducting polymer doped with a highly temperature dependent fluorescent europium(III) complex is converted into a nanosized material that is capable of optically sensing temperature (T) in the range from 0 to 50 degrees C via two-photon excitation at 720 nm. The nanosensors are prepared from a blue-fluorescent polyfluorene that acts as both a light-harvesting ...


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