Two-color stimulated emission spectroscopy of trans-stilbene: large amplitude torsional motion in the ground state and its role in intramolecular vibrational redistribution

1986 ◽  
Vol 90 (24) ◽  
pp. 6431-6440 ◽  
Author(s):  
Toshinori Suzuki ◽  
Naohiko Mikami ◽  
Mitsuo Ito
Keyword(s):  
Ground State ◽  
Large Amplitude ◽  
Emission Spectroscopy ◽  
Stimulated Emission ◽  
Torsional Motion ◽  
Trans Stilbene

Stimulated emission spectroscopy of the ground state of Na3

1989 ◽  
Vol 90 (8) ◽  
pp. 4620-4622 ◽  
Author(s):  
M. Broyer ◽  
G. Delacrétaz ◽  
G.‐Q. Ni ◽  
R. L. Whetten ◽  
J.‐P. Wolf ◽  
...  
Keyword(s):  
Ground State ◽  
Emission Spectroscopy ◽  
Stimulated Emission

Tuning the Electrochemical and Photophysical Properties of Osmium-Based Photoredox Catalysts

Synlett ◽  
2022 ◽  
Author(s):  
Eva Bednářová ◽  
Logan R. Beck ◽  
Tomislav Rovis ◽  
Samantha L. Goldschmid ◽  
Katherine Xie ◽  
...  
Keyword(s):  
Ground State ◽  
Emission Spectroscopy ◽  
Near Infrared ◽  
Photophysical Properties ◽  
Low Energy ◽  
Redox Potentials ◽  
Nir Light ◽  
Osmium Complexes ◽  
Absorption And Emission Spectroscopy

AbstractThe use of low-energy deep-red (DR) and near-infrared (NIR) light to excite chromophores enables catalysis to ensue across barriers such as materials and tissues. Herein, we report the detailed photophysical characterization of a library of OsII polypyridyl photosensitizers that absorb low-energy light. By tuning ligand scaffold and electron density, we access a range of synthetically useful excited state energies and redox potentials.1 Introduction1.1 Scope1.2 Measuring Ground-State Redox Potentials1.3 Measuring Photophysical Properties1.4 Synthesis of Osmium Complexes2 Properties of Osmium Complexes2.1 Redox Potentials of Os(L)2-Type Complexes2.2 Redox Potentials of Os(L)3-Type Complexes2.3 UV/Vis Absorption and Emission Spectroscopy3 Conclusions

ON THE PREFORMATION FACTORS IN ALPHA DECAY

1993 ◽  
Vol 02 (04) ◽  
pp. 855-872 ◽  
Author(s):  
A. LUDU ◽  
W. GREINER ◽  
A. SANDULESCU
Keyword(s):  
Total Energy ◽  
Alpha Particle ◽  
Ground State ◽  
Large Amplitude ◽  
Collective Motion ◽  
Alpha Decay ◽  
Nuclear Surface ◽  
Particle Cluster ◽  
Shell Effects ◽  
Nonlinear Hydrodynamics

Alpha decay is described as a new large amplitude collective motion in nuclei. The total energy is evaluated in the frame of the nonlinear hydrodynamics approach which leads to the formation of solitons on the nuclear surface. A new minimum appears in the total energy due to the shell effects for 208 Pb and 4 He introduced phenomenologically. The minimum was chosen to be degenerate with the ground state minimum. Consequently a new coexistence model consisting of the usual shell model and an alpha particle cluster-like model describing a soliton moving on the nuclear surface is obtained. The corresponding amplitudes describe excellently the experimental preformation factors for alpha decay of Po isotopes.

Sign in / Sign up

Export Citation Format

Share Document