singlet-singlet absorption

https://doi.org/10.1351/goldbook.S05696
Absorption which results in the transition from the singlet ground state of the molecule into singlet excited states (S0Sn) and leads to the UV/visible absorption spectrum.
Source:
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 234 [Terms] [Paper]