Coherence in Chemistry: Foundations and Frontiers

JD Schultz, JL Yuly, EA Arsenault, K Parker… - Chemical …, 2024‏ - ACS Publications
Coherence refers to correlations in waves. Because matter has a wave-particle nature, it is
unsurprising that coherence has deep connections with the most contemporary issues in …

An ultrawide-range photochromic molecular fluorescence emitter

X Chen, XF Hou, XM Chen, Q Li - Nature Communications, 2024‏ - nature.com
Photocontrollable luminescent molecular switches capable of changing emitting color have
been regarded as the ideal integration between intelligent and luminescent materials. A …

Null exciton-coupled chromophoric dimer exhibits symmetry-breaking charge separation

E Sebastian, M Hariharan - Journal of the American Chemical …, 2021‏ - ACS Publications
A comprehensive understanding of the structure–property relationships in
multichromophoric architectures has pushed the limits for develo** robust photosynthetic …

Intramolecular singlet fission and triplet exciton harvesting in tetracene oligomers for solar energy conversion

T Wang, H Liu, X Wang, L Tang, J Zhou… - Journal of Materials …, 2023‏ - pubs.rsc.org
Singlet fission (SF), which can convert one singlet exciton into two triplet excitons, has the
potential to enhance the solar energy conversion efficiency in devices such as photovoltaic …

Ultrafast symmetry-breaking charge separation in a perylene bisimide dimer enabled by vibronic coupling and breakdown of adiabaticity

Y Hong, F Schlosser, W Kim… - Journal of the American …, 2022‏ - ACS Publications
Perylene bisimides (PBIs) have received great attention in their applicability to
optoelectronics. Especially, symmetry-breaking charge separation (SB-CS) in PBIs has been …

Symmetry-breaking charge separation and null aggregates

FC Spano - The Journal of Physical Chemistry C, 2024‏ - ACS Publications
The relationship between symmetry-breaking charge separation (SB-CS) and null
aggregate (NA) formation in molecular dimer complexes is investigated theoretically, with …

Steering the multiexciton generation in slip-stacked perylene dye array via exciton coupling

Y Hong, M Rudolf, M Kim, J Kim, T Schembri… - Nature …, 2022‏ - nature.com
Dye arrays from dimers up to larger oligomers constitute the functional units of natural light
harvesting systems as well as organic photonic and photovoltaic materials. Whilst in the past …

Impact of local and nonlocal vibronic coupling on the absorption and emission spectra of J-and H-dimers

H Haghshenas, FC Spano - Journal of Chemical Theory and …, 2024‏ - ACS Publications
The impact of exciton-vibrational (EV) coupling involving low-energy (“slow”) inter molecular
vibrations and higher-energy (“fast”) intra molecular vibrations on the absorption and …

Excimer evolution hampers symmetry-broken charge-separated states

E Sebastian, J Sunny, M Hariharan - Chemical Science, 2022‏ - pubs.rsc.org
Achieving long-lived symmetry-broken charge-separated states in chromophoric assemblies
is quintessential for enhanced performance of artificial photosynthetic mimics. However, the …

A Holstein–Peierls approach to excimer spectra: The evolution from vibronically structured to unstructured emission

AL Bialas, FC Spano - The Journal of Physical Chemistry C, 2022‏ - ACS Publications
The presence of excimers, as revealed by broad, structureless, and red-shifted emission, is
quite common in a great many organic solution-and solid-phase systems. A fundamental …