Results 211 to 220 of about 255,693 (225)
Some of the next articles are maybe not open access.
The Gold Porphyrin First Excited Singlet State¶
Photochemistry and Photobiology, 2002Gold porphyrins are often used as electron-accepting chromophores in artificial photosynthetic constructs. Because of the heavy atom effect, the gold porphyrin first-excited singlet state undergoes rapid intersystem crossing to form the triplet state.
Joakim, Andréasson +7 more
openaire +2 more sources
Singlet state symmetries of diphenylacetylene
Chemical Physics, 1974Abstract Polarized reflection spectra of the (001) face of diphenylacetylene single cyrstals have been measured. Analysis of the corresponding absorption spectra obtained by Krames-Kronig analysis yields the excited state symmetries of five strong bands in the wavelength rage 3000 A to 1300 A.
openaire +1 more source
Singlet Diradicals: from Transition States to Crystalline Compounds
Science, 2002Singlet diradicals are usually not energy minima. As observed by femtosecond spectroscopy, they readily couple to form σ bonds. Substituent effects allow lifetimes to increase into the microsecond range. Taking advantage of the properties of hetero-elements, a diradical has been prepared that is indefinitely stable at room temperature. The availability
Scheschkewitz, D +5 more
openaire +3 more sources
Singlet state relaxation via intermolecular dipolar coupling
The Journal of Chemical Physics, 2011The intermolecular contribution to the relaxation of singlet states has been derived on the basis of a translational-rotational diffusion model that describes molecules as impenetrable spheres which translate and rotate in an isotropic low-viscosity medium.
openaire +3 more sources
GENERATION OF SINGLET OXYGEN FROM EXCITED SINGLET STATES
1984R. Stephen Davidson +2 more
openaire +1 more source
Excited singlet states of fluoranthene
Journal of Molecular Spectroscopy, 1976Erik W. Thulstrup +3 more
openaire +1 more source