Energy Transfer and Interference by Collective Electromagnetic Coupling

Energy Transfer and Interference by Collective Electromagnetic Coupling

Scientific Highlights Materials for energy and enviroment 17 September 2019 244 hits icmabcsic

Mayte Gómez-Castaño, Mayte Gómez-Castaño, Andrés Redondo-Cubero, Lionel Buisson, Jose Luis Pau, Agustin Mihi, Serge Ravaine, Renaud A. L. Vallée*, Abraham Nitzan, Maxim Sukharev*. Nano Lett. 2019, 19, 8, 5790-5795

https://doi.org/10.1021/acs.nanolett.9b02521

The physics of collective optical response of molecular assemblies, pioneered by Dicke in 1954, has long been at the center of theoretical and experimental scrutiny. The influence of the environment on such phenomena is also of great interest due to various important applications in, e.g., energy conversion devices. In this Letter, we demonstrate both experimentally and theoretically the spatial modulations of the collective decay rates of molecules placed in proximity to a metal interface. We show in a very simple framework how the cooperative optical response can be analyzed in terms of intermolecular correlations causing interference between the response of different molecules and the polarization induced on a nearby metallic boundary and predict similar collective interference phenomena in excitation energy transfer between molecular aggregates.

Energy Transfer and Interference by Collective Electromagnetic Coupling

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