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Plasmon-Coupled Resonance Energy Transfer

2,019 views · Published 31 October 2017 · 7:19 · Indexed 8 November 2026

Channel: American Chemical Society · 2017 · Science & Technology

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In this video, we first overview resonance energy transfer (RET) and Förster theory. Then, we introduce our new method to determine RET rate between molecules in the presence of plasmonic structures (PC-RET). The proposed theory is general for energy transfer in the presence of materials with any space-dependent, frequency-dependent, or complex dielectric functions. Furthermore, the theory allows us to develop the concept of a generalized spectral overlap (GSO) (the integral of the molecular absorption coefficient, normalized emission spectrum, and the plasmon coupling factor) for understanding the wavelength dependence of PC-RET and to estimate the rate of PC-RET. An example simulation of the GSO shows that plamonic effects from a nanoparticle are well captured with our new method.

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For more information, please visit the Journal of Physical Chemistry Letters website: https://pubs.acs.org/journal/jpclcd 

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