SITE SELECTION SPECTROSCOPY AND PHOTOCHEMICAL HOLE-BURNING OF HYPERICIN

Authors
ARABEI SM GALAUP JP JARDON P
Citation
Sm. Arabei et al., SITE SELECTION SPECTROSCOPY AND PHOTOCHEMICAL HOLE-BURNING OF HYPERICIN, Chemical physics letters, 232(1-2), 1995, pp. 127-134
Citations number
32
Categorie Soggetti
Physics, Atomic, Molecular & Chemical
Journal title
Chemical physics letters → ACNP
ISSN journal
00092614
Volume
232
Issue
1-2
Year of publication
1995
Pages
127 - 134
Database
ISI
SICI code
0009-2614(1995)232:1-2<127:SSSAPH>2.0.ZU;2-4
Abstract
High-resolution fluorescence and excitation spectra of hypericin in et hanol and in polyvinylbutiral are reported. Persistent spectral hole-b urning is highly efficient in ethanol with a quantum yield PHI(hb) alm ost-equal-to 1.1 x 10(-2). Evidence is shown for a photoproduct locate d at about 200 cm-1 below the burnt hole. Possible photochemical react ions are discussed.