Modelling of plasmon-enhanced fluorescence in a single light-harvesting complex near a gold nanorod

Luke C. Ugwuoke; Farooq Kyeyune; Tomáš Mančal; Tjaart P. J. Krüger

doi:10.1117/12.2583000

5 March 2021 Modelling of plasmon-enhanced fluorescence in a single light-harvesting complex near a gold nanorod

Luke C. Ugwuoke, Farooq Kyeyune, Tomáš Mančal, Tjaart P. J. Krüger

Proceedings Volume 11661, Plasmonics in Biology and Medicine XVIII; 116610E (2021) https://doi.org/10.1117/12.2583000
Event: SPIE BiOS, 2021, Online Only

Abstract

LHCII — the main light-harvesting complex of plants and green algae — is the most abundant membrane protein on earth. Here, we investigate theoretically the effect of exciton-plasmon coupling on LHCII’s fluorescence quantum yield and compare our modelling results to experimental data where plasmon-enhanced fluorescence has been reported in an LHCII–gold nanorod system. One of the models relies on the modified Gersten-Nitzan approach; the other is based on classical plexcitonics. We show that the latter is more robust and leads to more realistic enhancement factors.

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Citation Download Citation

Luke C. Ugwuoke, Farooq Kyeyune, Tomáš Mančal, and Tjaart P. J. Krüger "Modelling of plasmon-enhanced fluorescence in a single light-harvesting complex near a gold nanorod", Proc. SPIE 11661, Plasmonics in Biology and Medicine XVIII, 116610E (5 March 2021); https://doi.org/10.1117/12.2583000

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