Ultrafast elementary photochemical processes of organic molecules in liquid solution

T Kumpulainen, B Lang, A Rosspeintner… - Chemical …, 2017 - ACS Publications
Ultrafast photochemical reactions in liquids occur on similar or shorter time scales compared
to the equilibration of the optically populated excited state. This equilibration involves the …

[HTML][HTML] Excited-state intramolecular proton transfer in 2′-(2′-hydroxyphenyl) imidazo [1, 2-a] pyridines

AJ Stasyuk, PJ Cywiński, DT Gryko - Journal of Photochemistry and …, 2016 - Elsevier
The key observation made by Acuña revealed the unusual optical properties of previously
unknown 2-(2′-hydroxyphenyl) imidazo [1, 2-a] pyridines (HPIPs). Although structurally …

Theoretical insights into atomic-electronegativity-regulated ESIPT behavior for B-bph-fla-OH fluorophore

J Zhao, P Song, L Feng, X Wang, Z Tang - Journal of Molecular Liquids, 2023 - Elsevier
Inspired by the potential applications for detecting cysteine and the novel phototriggered CO
release molecule (photoCORM) property, B-bph-fla-OH is explored in this work about its …

Tuning ESIPT fluorophores into dual emitters

C Azarias, Š Budzák, AD Laurent, G Ulrich… - Chemical …, 2016 - pubs.rsc.org
Dyes undergoing excited-state intramolecular proton transfer (ESIPT) are known to present
large Stokes shifts as a result of the important geometrical reorganisation following photon …

Unveiling and regulating the solvent-polarity-associated excited state intramolecular double proton transfer behavior for 1-bis (benzothiazolyl) naphthalene-diol …

J Zhao, H Zhang, L Fan, F Li, P Song - Spectrochimica Acta Part A …, 2023 - Elsevier
Inspired by the regulatory luminescence properties of HBT derivatives, in this work, we
mainly conduct a detailed theoretical exploration on the photoinduced excitation behavior of …

Controlling excited state single versus double proton transfer for 2, 2′-Bipyridyl-3, 3′-diol: solvent effect

J Zhao, X Liu, Y Zheng - The Journal of Physical Chemistry A, 2017 - ACS Publications
In this work, we theoretically investigate the sequential excited state double proton transfer
(ESDPT) mechanism of a representative intramolecular hydroxyl (OH)-type hydrogen …

Effects of solvent polarity on excited state behaviors for the two intramolecular proton-transfer-site 4, 4'-(hydrazine-1, 2-diylidene-bis (methanylylidene))-bis (3 …

J Zhao, B Jin - Journal of Luminescence, 2021 - Elsevier
Excited state proton transfer (ESPT) behavior of organic fluorophores has been drawing
continuously considerable interests, since it owns enormous potential in wide of application …

Multi-targeted fluorescent probes for detection of Zn (II) and Cu (II) ions based on ESIPT mechanism

X Wu, W Shi, Y Yang, D Zhao, Y Li - Spectrochimica Acta Part A: Molecular …, 2023 - Elsevier
With the rapid development of industry, it is pretty critical to detect the heavy metals.
Recently, the 2-(2-hydroxyphenyl) benzothiazole derivatives with different numbers of …

New Insights into the Excited State Dynamics of Quinoline–Pyrazole Isomerism

Z Tang, P Zhou - The Journal of Physical Chemistry B, 2020 - ACS Publications
In this article, we propose a new excited state dynamics mechanism for quinoline–pyrazole
isomers (QP-1 and QP-2) in the liquid phase based on the time-dependent density …

Solvent polarity dependent excited state hydrogen bond effects and intramolecular double proton transfer mechanism for 2-hydroxyphenyl-substituted benzo [1, 2-d: 4 …

J Zhao, B Jin - Spectrochimica Acta Part A: Molecular and …, 2021 - Elsevier
In this work, we probe into the photo-induced excited state hydrogen bonding interactions
and excited state proton transfer (ESPT) behaviors for a representative benzo [1, 2-d: 4, 5-d'] …