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Fluorescence and phosphorescence of harmol and harmalol at 77 K

✍ Scribed by A. Olba; P. Medina; A. Codonñer; S. Monsó


Publisher
Elsevier Science
Year
1987
Weight
603 KB
Volume
39
Category
Article
ISSN
0047-2670

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Phosphorescence investigation of xanthon
✍ Robert E. Connors; Paul S. Walsh 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 273 KB

The phosphorcsccncc spectrum of xdnthonc cmbeddcd in a polycrystallinc matrix of n-hcxanc has been measured at 77 and 4.2 K. Dramatic diffcrcnccs in spectral features and triplet lifetime arc evident at these two tempcraturcs. The cmitting species at 4.2 K is assigned as predominantly 3(zz\*) in cha