Unusual concentration dependence of the photoisomerization reaction in donor-acceptor Stenhouse adducts

BF Lui, NT Tierce, F Tong, MM Sroda, H Lu… - Photochemical & …, 2019 - Springer
Donor-acceptor Stenhouse adducts comprise a new class of reversible photochromic
molecules that absorb in the visible and near-infrared spectral regions. Unimolecular …

Towards low-energy-light-driven bistable photoswitches: ortho-fluoroaminoazobenzenes

K Kuntze, J Viljakka, E Titov, Z Ahmed… - Photochemical & …, 2022 - Springer
Thermally stable photoswitches that are driven with low-energy light are rare, yet crucial for
extending the applicability of photoresponsive molecules and materials towards, eg, living …

Dynamics of azobenzene dimer photoisomerization: electronic and steric effects

E Titov, G Granucci, JP Götze, M Persico… - The Journal of …, 2016 - ACS Publications
While azobenzenes readily photoswitch in solution, their photoisomerization in densely
packed self-assembled monolayers (SAMs) can be suppressed. Reasons for this can be …

Visible Light Induced Exciton Dynamics and trans-to-cis Isomerization in Azobenzene Aggregates: Insights from Surface Hopping/Semiempirical Configuration …

E Titov - ACS omega, 2024 - ACS Publications
Assemblies of photochromic molecules feature exciton states, which govern photochemical
and photophysical processes in multichromophoric systems. Understanding the …

Onset of the Electronic Absorption Spectra of Isolated and π-Stacked Oligomers of 5,6-Dihydroxyindole: An Ab Initio Study of the Building Blocks of Eumelanin

D Tuna, A Udvarhelyi, AL Sobolewski… - The Journal of …, 2016 - ACS Publications
Eumelanin is a naturally occurring skin pigment which is responsible for developing a
suntan. The complex structure of eumelanin consists of π-stacked oligomers of various …

Exciton localization in excited-state dynamics of a tetracene trimer: a surface hopping LC-TDDFTB study

E Titov, A Humeniuk, R Mitrić - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
Excitons in the molecular aggregates of chromophores are key participants in important
processes such as photosynthesis or the functioning of organic photovoltaic devices …

On the low-lying electronically excited states of azobenzene dimers: Transition density matrix analysis

E Titov - Molecules, 2021 - mdpi.com
Azobenzene-containing molecules may associate with each other in systems such as self-
assembled monolayers or micelles. The interaction between azobenzene units leads to a …

Photoisomerization of an Azobenzene‐Containing Surfactant Within a Micelle

E Titov, A Sharma, N Lomadze, P Saalfrank… - …, 2021 - Wiley Online Library
Photosensitive azobenzene‐containing surfactants have attracted great attention in past
years because they offer a means to control soft‐matter transformations with light. At …

Exciton localization and transfer in azobenzene aggregates: A surface hopping molecular dynamics study

E Titov - The Journal of Physical Chemistry C, 2023 - ACS Publications
Molecular photoswitches are a promising class of molecules for the development of new
functional, light-controlled materials. In complex systems composed of multiple …

Multiconfigurational Excitonic Couplings in Homo-and Heterodimer Stacks of Azobenzene-Derived Dyes

RE Daoud, R Cacciari, L De Vico - The Journal of Physical …, 2024 - ACS Publications
Molecular excitons play a major role within dye aggregates and hold significant potential for
(opto) electronic and photovoltaic applications. Numerous studies have documented …