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Cited by 298

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Electronic Energy Transfer in Condensed Phase Studied by a Polarizable QM/MM Model

Curutchet, Carles, Muñoz-Losa, Aurora, Monti, Susanna, Kongsted, Jacob, Scholes, Gregory D., Mennucci, Benedetta·2009·Journal of Chemical Theory and Computation

Abstract

We present a combined quantum mechanics and molecular mechanics (QM/MM) method to study electronic energy transfer (EET) in condensed phases. The method introduces a quantum mechanically based linear response (LR) scheme to describe both chromophore electronic excitations and electronic couplings, while the environment is described through a classical polarizable force field. Explicit treatment of the solvent electronic polarization is a key aspect of the model, as this allows account of solvent screening effects in the coupling. The method is tested on a model perylene diimide (PDI) dimer in water solution. We find an excellent agreement between the QM/MM method and "exact" supermolecule calculations in which the complete solute-solvent system is described at the QM level. In addition, the estimation of the electronic coupling is shown to be very sensitive to the quality of the parameters used to describe solvent polarization. Finally, we compare ensemble-averaged QM/MM results to the predictions of the PCM-LR method, which is based on a continuum dielectric description of the solvent. We find that both continuum and atomistic solvent models behave similarly in homogeneous media such as water. Our findings demonstrate the potential of the method to investigate the role of complex heterogeneous environments, e.g. proteins or nanostructured host materials, on EET.

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Metadata

Authors
Curutchet, C., Muñoz-Losa, A., Monti, S., Kongsted, J., Scholes, G. D., & Mennucci, B.
Venue
Journal of Chemical Theory and Computation
Published
2009-06-04
Volume
5
Issue
7
Pages
1838-1848
ISSN
  • 1549-9618 (ISSN-L)
  • 1549-9626
OpenAlex
W2012839646
Cited by
298
References
48
FWCI
7.10
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Electronic Energy Transfer in Condensed Phase Studied by a Polarizable QM/MM Model. https://app.cochat.ai/papers/10.1021/ct9001366
The paper
Curutchet, C., Muñoz-Losa, A., Monti, S., Kongsted, J., Scholes, G. D., & Mennucci, B. (2009). Electronic Energy Transfer in Condensed Phase Studied by a Polarizable QM/MM Model. Journal of Chemical Theory and Computation. https://doi.org/10.1021/ct9001366

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.