Expanded theory of H-and J-molecular aggregates: the effects of vibronic coupling and intermolecular charge transfer

NJ Hestand, FC Spano - Chemical reviews, 2018 - ACS Publications
The electronic excited states of molecular aggregates and their photophysical signatures
have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel …

Exciton–vibrational coupling in the dynamics and spectroscopy of Frenkel excitons in molecular aggregates

M Schröter, SD Ivanov, J Schulze, SP Polyutov, Y Yan… - Physics Reports, 2015 - Elsevier
The influence of exciton–vibrational coupling on the optical and transport properties of
molecular aggregates is an old problem that gained renewed interest in recent years. On the …

Minimizing non-radiative decay in molecular aggregates through control of excitonic coupling

Y Wang, J Ren, Z Shuai - Nature Communications, 2023 - nature.com
Abstract The widely known “Energy Gap Law”(EGL) predicts a monotonically exponential
increase in the non-radiative decay rate (k nr) as the energy gap narrows, which hinders the …

Light-driven and phonon-assisted dynamics in organic and semiconductor nanostructures

S Kilina, D Kilin, S Tretiak - Chemical reviews, 2015 - ACS Publications
Rapid advances in chemical synthesis and fabrication techniques have led to a boost in
manufacturing and design of novel nanostructured materials that exhibit unique and often …

Polaritons and excitons: Hamiltonian design for enhanced coherence

GD Scholes - Proceedings of the Royal Society A, 2020 - royalsocietypublishing.org
The primary questions motivating this report are: Are there ways to increase coherence and
delocalization of excitation among many molecules at moderate electronic coupling …

[HTML][HTML] Optical microcavities enhance the exciton coherence length and eliminate vibronic coupling in J-aggregates

FC Spano - The Journal of Chemical Physics, 2015 - pubs.aip.org
The properties of polaritons in J-aggregate microcavities are explored using a Hamiltonian
which treats exciton-vibrational coupling and exciton-photon coupling on equal footing …

Polarized absorption in crystalline pentacene: theory vs experiment

NJ Hestand, H Yamagata, B Xu, D Sun… - The Journal of …, 2015 - ACS Publications
The polarized absorption spectra of crystalline pentacene are obtained for excitation normal
to the ab herringbone plane by measuring transmitted light in ultrathin crystals. The spectral …

[HTML][HTML] Vibronic exciton theory of singlet fission. I. Linear absorption and the anatomy of the correlated triplet pair state

R Tempelaar, DR Reichman - The Journal of Chemical Physics, 2017 - pubs.aip.org
Recent time-resolved spectroscopic experiments have indicated that vibronic coupling plays
a vital role in facilitating the process of singlet fission. In this work, which forms the first article …

Vibrational beatings conceal evidence of electronic coherence in the FMO light-harvesting complex

R Tempelaar, TLC Jansen… - The Journal of Physical …, 2014 - ACS Publications
In biological light harvesting, solar energy is captured by photosynthetic antennae for
subsequent storage into chemical bonds. The remarkable efficiency reached in transferring …

Fluctuating exciton localization in giant π-conjugated spoked-wheel macrocycles

AV Aggarwal, A Thiessen, A Idelson, D Kalle… - Nature Chemistry, 2013 - nature.com
Conjugated polymers offer potential for many diverse applications, but we still lack a
fundamental microscopic understanding of their electronic structure. Elementary …