Establishing new mechanisms with triplet and singlet excited-state hydrogen bonding roles in photoinduced liquid dynamics

T Chu, B Liu - International Reviews in Physical Chemistry, 2016 - Taylor & Francis
The interaction between hydrogen donor and acceptor molecules, known well as hydrogen
bonding, forms a ubiquitous network in the natural and synthesis world. The hydrogen …

Modeling solvent effects on electronic excited states

A DeFusco, N Minezawa, LV Slipchenko… - The Journal of …, 2011 - ACS Publications
The effects of solvents on electronic spectra can be treated efficiently by combining an
accurate quantum mechanical (QM) method for the solute with an efficient and accurate …

Solvent effects on the UV–vis absorption and emission of optoelectronic coumarins: a comparison of three empirical solvatochromic models

X Liu, JM Cole, KS Low - The Journal of Physical Chemistry C, 2013 - ACS Publications
Coumarins often function in the solution phase for a diverse range of optoelectronic
applications. The associated solvent effects on the UV–vis absorption and/or fluorescence …

[HTML][HTML] Polarity-dependent twisted intramolecular charge transfer in diethylamino coumarin revealed by ultrafast spectroscopy

J Liu, C Chen, C Fang - Chemosensors, 2022 - mdpi.com
Twisting intramolecular charge transfer (TICT) is a common nonradiative relaxation pathway
for a molecule with a flexible substituent, effectively reducing the fluorescence quantum yield …

Enhanced Luminescence of Dye-Decorated ZIF-8 Composite Films via Controllable D–A Interactions for White Light Emission

Q Liu, X Chen, J Wu, L Zhang, G He, S Tian, X Zhao - Langmuir, 2023 - ACS Publications
Metal–organic frameworks (MOFs) constructed by metal ions/clusters and organic linkers
are used to encapsulate fluorescent guest species with aggregation-caused quenching …

Different mechanisms of ultrafast excited state deactivation of coumarin 500 in dioxane and methanol solvents: experimental and theoretical study

L Cong, H Yin, Y Shi, M **, D Ding - RSC Advances, 2015 - pubs.rsc.org
Solute–solvent intermolecular photoinduced intramolecular charge transfer (ICT) and
twisted intramolecular charge transfer (TICT) states are proposed to account for the unusual …

Time‐dependent density functional theory study on the absorption spectrum of Coumarin 102 and its hydrogen‐bonded complexes

W Zhao, Y Ding, Q **a - Journal of Computational Chemistry, 2011 - Wiley Online Library
The effect of both solvent polarity and hydrogen bonding (HB) on the electronic transition
energy of Coumarin 102 (C102) has been examined using the time‐dependent density …

Reconsideration on hydrogen bond strengthening or cleavage of photoexcited coumarin 102 in aqueous solvent: A DFT/TDDFT study

C Miao, Y Shi - Journal of Computational Chemistry, 2011 - Wiley Online Library
In this work, the excited‐state hydrogen bonding dynamics of photoexcited coumarin 102 in
aqueous solvent is reconsidered. The electronically excited states of the hydrogen bonded …

Experimental and theoretical study of the rotational reorientation dynamics of 7-animocoumarin derivatives in polar solvents: hydrogen-bonding effects

P Zhou, P Song, J Liu, K Han, G He - Physical Chemistry Chemical …, 2009 - pubs.rsc.org
The rotational reorientation dynamics of 7-aminocoumarin derivatives with different
alkylation degrees in methanol, dimethylformamide, and dimethyl sulfoxide have been …

Nonpolar adsorption at the silica/methanol interface: Surface mediated polarity and solvent density across a strongly associating solid/liquid boundary

D Roy, S Liu, BL Woods, AR Siler… - The Journal of …, 2013 - ACS Publications
Complementary experimental and theoretical studies presented in this work examine the
structure, organization, and solvating properties of methanol at a silica/methanol, solid/liquid …