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Valduga De Almeida Camargo, Franco, Grimmelsmann, Lena, Anderson, Harry L., Meech, Stephen R. 
ORCID: https://orcid.org/0000-0001-5561-2782 and Heisler, Ismael A.
(2017)
Resolving vibrational from electronic coherences in two-dimensional electronic spectroscopy: The role of the laser spectrum.
Physical Review Letters, 118 (3).
ISSN 0031-9007
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Abstract
The observation of coherent quantum effects in photosynthetic light-harvesting complexes prompted the question whether quantum coherence could be exploited to improve the efficiency in new energy materials. The detailed characterization of coherent effects relies on sensitive methods such as two-dimensional electronic spectroscopy (2D-ES). However, the interpretation of the results produced by 2D-ES is challenging due to the many possible couplings present in complex molecular structures. In this work, we demonstrate how the laser spectral profile can induce electronic coherence-like signals in monomeric chromophores, potentially leading to data misinterpretation. We argue that the laser spectrum acts as a filter for certain coherence pathways and thus propose a general method to differentiate vibrational from electronic coherences.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Chemistry (former - to 2024) |
| UEA Research Groups: | Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science |
| Related URLs: | |
| Depositing User: | Pure Connector |
| Date Deposited: | 11 Jan 2017 00:06 |
| Last Modified: | 16 Dec 2024 01:25 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/61993 |
| DOI: | 10.1103/PhysRevLett.118.033001 |
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