Stabilizing and modulating color by copigmentation: Insights from theory and experiment

P Trouillas, JC Sancho-García, V De Freitas… - Chemical …, 2016 - ACS Publications
Natural anthocyanin pigments/dyes and phenolic copigments/co-dyes form noncovalent
complexes, which stabilize and modulate (in particular blue, violet, and red) colors in …

Modeling absorption spectra of molecules in solution

TJ Zuehlsdorff, CM Isborn - International Journal of Quantum …, 2019 - Wiley Online Library
The presence of solvent tunes many properties of a molecule, such as its ground and
excited state geometry, dipole moment, excitation energy, and absorption spectrum …

Elucidating the role of hydrogen bonding in the optical spectroscopy of the solvated green fluorescent protein chromophore: Using machine learning to establish the …

MS Chen, Y Mao, A Snider, P Gupta… - The Journal of …, 2023 - ACS Publications
Hydrogen bonding interactions with chromophores in chemical and biological environments
play a key role in determining their electronic absorption and relaxation processes, which …

[HTML][HTML] Optical spectra in the condensed phase: Capturing anharmonic and vibronic features using dynamic and static approaches

TJ Zuehlsdorff, A Montoya-Castillo, JA Napoli… - The Journal of …, 2019 - pubs.aip.org
Simulating optical spectra in the condensed phase remains a challenge for theory due to the
need to capture spectral signatures arising from anharmonicity and dynamical effects, such …

[HTML][HTML] Combining the ensemble and Franck-Condon approaches for calculating spectral shapes of molecules in solution

TJ Zuehlsdorff, CM Isborn - The Journal of chemical physics, 2018 - pubs.aip.org
The correct treatment of vibronic effects is vital for the modeling of absorption spectra of
many solvated dyes. Vibronic spectra for small dyes in solution can be easily computed …

Modeling the absorption lineshape of embedded systems from molecular dynamics: A tutorial review

D Loco, L Cupellini - International Journal of Quantum …, 2019 - Wiley Online Library
In this tutorial review, we focus on a multiscale method to compute the electronic absorption
line shape of molecular dyes embedded in a biological environment. To treat the coupling of …

Predicting solvatochromic shifts and colours of a solvated organic dye: The example of nile red

TJ Zuehlsdorff, PD Haynes, MC Payne… - The Journal of Chemical …, 2017 - pubs.aip.org
The solvatochromic shift, as well as the change in colour of the simple organic dye nile red,
is studied in two polar and two non-polar solvents in the context of large-scale time …

Bathochromic Shift in the UV–visible absorption spectra of phenols at ice surfaces: insights from first-principles calculations

FC Bononi, Z Chen, D Rocca, O Andreussi… - The Journal of …, 2020 - ACS Publications
Some organic pollutants in snowpacks undergo faster photodegradation than in solution.
One possible explanation for such effect is that their UV–visible absorption spectra are …

Beyond the Condon limit: Condensed phase optical spectra from atomistic simulations

ZR Wiethorn, KE Hunter, TJ Zuehlsdorff… - The Journal of …, 2023 - pubs.aip.org
While dark transitions made bright by molecular motions determine the optoelectronic
properties of many materials, simulating such non-Condon effects in condensed phase …

[HTML][HTML] Nonlinear spectroscopy in the condensed phase: The role of Duschinsky rotations and third order cumulant contributions

TJ Zuehlsdorff, H Hong, L Shi, CM Isborn - The Journal of Chemical …, 2020 - pubs.aip.org
First-principles modeling of nonlinear optical spectra in the condensed phase is highly
challenging because both environment and vibronic interactions can play a large role in …