Thermal tunability of monolithic polymer microcavities
Del Carro P
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We demonstrate the thermal tunability of the emission of polymer embedded in microcavities. The large thermo-optic coefficients of a conjugated polymer is combined with the possibility to tailor the emission properties by means of cavities acting as optical filters. Both the transmission and the photoluminescence spectra of the polymer in cavities can be finely tuned with slopes up to about -0.2 nm°C. Such an effect could be exploited to realize thermally tunable organic light-emitting devices for optical communication or sensing applications. © 2008 American Institute of Physics.