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Resonant confinement of excitonic polariton and ultra-efficient light harvest in artificial photosynthesis

arXiv
Authors: Yong-Cong Chen, Bo Song, Anthony J. Leggett, Ping Ao, Xiaomei Zhu

Year

2018

Paper ID

23918

Status

Preprint

Abstract Read

~2 min

Abstract Words

82

Citations

N/A

Abstract

We show that in the recent artificial light-harvesting experiment [Angewandte Chemie Intl. Ed. 55, 2759 (2016)] on organic nanocrystals self-assembled from difluoroboron chromophores, the spontaneous emission of an excited pigment should undergo a two-step process. It would first decay to an excitonic polariton confined by cavity resonance via strong photon-exciton coupling. The captive intermediate could then funnel the energy directly to doped acceptors, leading to the observed over 90% transfer efficiency at less than 1/1000 acceptor-donor ratio. Theoretical, parameter-free analyses are in quantitative agreement with the experiment.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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  • We show that in the recent artificial light-harvesting experiment [Angewandte Chemie Intl.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1811.10131 [2] arXiv https://arxiv.org/abs/1811.10131 [3] Publisher https://arxiv.org/abs/1811.10131

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