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Two-Dimensional Electronic Spectroscopy Reveals the Spectral Dynamics of Förster Resonance Energy Transfer

54 Pages Posted: 29 Jan 2019 Publication Status: Published

See all articles by Brian K. Petkov

Brian K. Petkov

New York University (NYU) - Department of Chemistry

Tobias A. Gellen

New York University (NYU) - Department of Chemistry

Camille A. Farfan

New York University (NYU) - Department of Chemistry

William P. Carbery

New York University (NYU) - Department of Chemistry

Belinda E. Hetzler

New York University (NYU) - Department of Chemistry

Dirk Trauner

New York University (NYU) - Department of Chemistry

Xingpin Li

NYU Shanghai; NYU Shanghai - NYU–ECNU Center for Computational Chemistry

William J. Glover

NYU Shanghai; NYU Shanghai - NYU–ECNU Center for Computational Chemistry; New York University (NYU) - Department of Chemistry

Darin J. Ulness

Concordia College - Department of Chemistry

Daniel B. Turner

New York University (NYU) - Department of Chemistry

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Abstract

Two-dimensional electronic spectroscopy (2D ES) probes the energies of chromophores and their coupling, and therefore the technique is now widely used for studying excitation energy-transfer mechanisms. The ubiquity and importance ofFörster Resonance Energy Transfer (FRET) demand a thorough study of its signatures in 2D ES. Here, using principles from noisy-light spectroscopy to account for the spontaneous transfer event, we describe a model that explicitly includes the intramolecular vibrational modes necessary to activate FRET. Our laboratory measurements of carbocyanine dyes are consistent with three theoretical results regarding the location, shape, and spectral dynamics of the energy-transfer peak. The signatures derived from the vibronic FRET model serve as a benchmark for ongoing work on energy-transfer mechanisms.

Suggested Citation

Petkov, Brian K. and Gellen, Tobias A. and Farfan, Camille A. and Carbery, William P. and Hetzler, Belinda E. and Trauner, Dirk and Li, Xingpin and Glover, William J. and Ulness, Darin J. and Turner, Daniel B., Two-Dimensional Electronic Spectroscopy Reveals the Spectral Dynamics of Förster Resonance Energy Transfer (December 11, 2018). Available at SSRN: https://ssrn.com/abstract=3299446 or http://dx.doi.org/10.2139/ssrn.3299446
This version of the paper has not been formally peer reviewed.

Brian K. Petkov

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Tobias A. Gellen

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Camille A. Farfan

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

William P. Carbery

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Belinda E. Hetzler

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Dirk Trauner

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Xingpin Li

NYU Shanghai

1555 Century Ave
Shanghai, Shanghai 200122
China

NYU Shanghai - NYU–ECNU Center for Computational Chemistry

Shanghai, 200062
China

William J. Glover

NYU Shanghai

1555 Century Ave
Shanghai, Shanghai 200122
China

NYU Shanghai - NYU–ECNU Center for Computational Chemistry

Shanghai, 200062
China

New York University (NYU) - Department of Chemistry

100 Washington Square East
10th Floor
New York, NY 10003
United States

Darin J. Ulness

Concordia College - Department of Chemistry

Moorhead, MN 56562
United States

Daniel B. Turner (Contact Author)

New York University (NYU) - Department of Chemistry ( email )

100 Washington Square East
10th Floor
New York, NY 10003
United States

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