Two-photon excitation spectra of the low energy excited states of diphenylhexatriene and diphenyloctatetraene
β Scribed by G.R. Holtom; W.M. McClain
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 383 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
AH-frons diphcnylhcxntrlcnc and diphcnyloctatctr~ene m solution show a very strong two-photon absorption beginning
at about thu sarnc energy a~ the one-photon spectrum. This supports the postulated presence of n low-iying 'Ag clcctronic state.
π SIMILAR VOLUMES
The twc-pholon excilaGon spslrum or the lin~ excited stare of anthracene in fluorene and biphenyl at 4 2 K has been i measured. Inlensily is induced inlo the origtn by the static dipole moment of fluorenc. and into b,, wbrons Ihrough coupltng to: an A, stale near 294IXl cm -'; Lhe nature of this A,
PoIarized two-photon fluorescence excitation spectra of indole in hexane, benzimidazole in isopropanoi, and benzimidazole cation in methanol-HaSO.,, all at 0.2 M and 25Β°C are reported for the excitation range 470-600 nm, the region of their L, and L, bands. Relative two-photon absorptivities are ded