Special Section on Organic Light-Emitting Materials and Devices

Thermal study of the photonic band gap effect on a resonance energy transfer process

[+] Author Affiliations
Luis González-Urbina, Javier Pérez-Moreno, Branko Kolaric, Koen Clays

Katholieke Universiteit Leuven, Department of Chemistry, Celestijnenlaan 200D, B-3001 Heverlee, Belgium

J. Photon. Energy. 2(1), 021204 (Mar 26, 2012). doi:10.1117/1.JPE.2.021204
History: Received August 26, 2011; Revised November 17, 2011; Accepted December 21, 2011
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Abstract.  Optical confinement can induce enhancement of the resonance energy transfer between fluorescent molecules by influencing the interaction between the different available energy levels. We study the energy transfer between a pair of molecules, tris(2-phenylpyridine) iridium and bis(2-methyl-8-quinolinato)-4-phenylphenolate aluminum, which are extensively used in organic light-emitting diode technologies. These molecules have previously shown Förster energy transfer. We present the result of the dipolar coupling of these two molecules embedded in a poly(N-vinylcarbazole) film and inserted in a colloidal photonic crystal. Due to the presence of the photonic band gap, the efficiency of the energy transfer has been improved. A thermal study of the emission under the effect of the photonic band gap has been performed.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Luis González-Urbina ; Javier Pérez-Moreno ; Branko Kolaric and Koen Clays
"Thermal study of the photonic band gap effect on a resonance energy transfer process", J. Photon. Energy. 2(1), 021204 (Mar 26, 2012). ; http://dx.doi.org/10.1117/1.JPE.2.021204


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