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Title: Determining the static electronic and vibrational energy correlations via two-dimensional electronic-vibrational spectroscopy

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.4919684· OSTI ID:1254483

Changes in the electronic structure of pigments in protein environments and of polar molecules in solution inevitably induce a re-adaption of molecular nuclear structure. Both changes of electronic and vibrational energies can be probed with visible or infrared lasers, such as two-dimensional electronic spectroscopy or vibrational spectroscopy. The extent to which the two changes are correlated remains elusive. The recent demonstration of two-dimensional electronic-vibrational (2DEV) spectroscopy potentially enables a direct measurement of this correlation experimentally. However, it has hitherto been unclear how to characterize the correlation from the spectra. In this report, we present a theoretical formalism to demonstrate the slope of the nodal line between the excited state absorption and ground state bleach peaks in the spectra as a characterization of the correlation between electronic and vibrational transition energies. In conclusion, we also show the dynamics of the nodal line slope is correlated to the vibrational spectral dynamics. Additionally, we demonstrate the fundamental 2DEV spectral line-shape of a monomer with newly developed response functions

Research Organization:
University of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231; AC03- 76SF000098; NSF CHE- 1012168; CHE-1362830
OSTI ID:
1254483
Alternate ID(s):
OSTI ID: 1228215
Journal Information:
Journal of Chemical Physics, Vol. 142, Issue 17; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

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Cited By (8)

Signatures of vibronic coupling in two-dimensional electronic-vibrational and vibrational-electronic spectroscopies journal September 2017
Recent advances in multidimensional ultrafast spectroscopy journal January 2018
A method for the direct measurement of electronic site populations in a molecular aggregate using two-dimensional electronic-vibrational spectroscopy journal September 2015
Measuring correlated electronic and vibrational spectral dynamics using line shapes in two-dimensional electronic-vibrational spectroscopy journal May 2015
Two-dimensional vibrational-electronic spectroscopy journal October 2015
Ultrafast structural molecular dynamics investigated with 2D infrared spectroscopy methods journal October 2017
Ultrafast photoinduced energy and charge transfer journal January 2019
Ultrafast structural molecular dynamics investigated with 2D infrared spectroscopy methods book October 2017