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 …

1. General Aspects 2. Normal-Mode Taylor Expansion 3. A Model of Nonadiabatic
Photoisomerization III. Time-Dependent Methodology A. Representation of the State Vector …

The photochemistry of stilbene is investigated using ab initio quantum chemistry with
complete active space self-consistent field (CASSCF) and multireference perturbation theory …

This review article to The Centennial Issue of The Journal of Physical Chemistry discusses
some concepts and perspectives in femtochemistry. With examples, we highlight the recent …

The ultrafast intramolecular proton transfer in the first excited state of 2-(2′-hydroxy-5′-
methylphenyl)-benzotriazole in solution was studied in two-color pump probe experiments …

The dynamics of the excited-state intramolecular proton transfer of 10-hydroxybenzo [h]
quinoline (10-HBQ) and the associated coherent nuclear motion were investigated in …

The theoretical framework for describing solvent effects on solution phase reactions is
summarized. When possible, the results are related to experiments involving geometric …

Femtosecond fluorescence up-conversion, UV-Vis and IR transient absorption spectroscopy
are used to study the photo-isomerization dynamics of a new type of zwitterionic photoswitch …

Investigations of the origins of line broadening and excited state dynamics for the
conjugated polymer poly [2-methoxy, 5-(2-ethyl-hexoxy)-1, 4-phenylenevinylene](MEH-PPV) …

We investigate the ultrafast transient absorption response of tetrakis (μ-pyrophosphito)
diplatinate (II),[Pt2 (μ-P2O5H2) 4] 4−[hereafter abbreviated Pt (pop)], in acetonitrile upon …