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Monomer and excimer phosphoresence of phenanthrene and naphthalene in solution

✍ Scribed by J. Langelaar; R.P.H. Rettschnick; A.M.F. Lambooy; G.J. Hoytink

Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
286 KB
Volume
1
Category
Article
ISSN
0009-2614

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✦ Synopsis

The phosphorescence spectra of phenanthrene and naphthalens have been measured in liquid ethanoL solutions.

Both spectra are superpositions of a structured and a broad structureless component. The structured component is ascribed to the triplet monomer, the structureless one to the triplet excimer phosphorescence emission.

'Decay constants for the two emissions have been measured as a function of the temperature.

πŸ“œ SIMILAR VOLUMES

On the lifetime of triplet monomers and
On the lifetime of triplet monomers and excimers of aromatic hydrocarbons in solution
✍ J. Langelaar; G. Jansen; R.P.H. Rettschnick; G.J. Hoytink πŸ“‚ Article πŸ“… 1971 πŸ› Elsevier Science 🌐 English βš– 540 KB

The triplet lifetime of aromatic hydrocarbons in liquid solution is relativc:jr short compared with the lifetime in a rigid solution. Until now this difference has been exphined by an impurity quenching mechanism. An alternative explanation is given, assuming quenching of a triplet molecule by B sin

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✍ Bernhard Nickel; M.Flor RodrΓ­guez Prieto πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 768 KB

From liquid solutions of aromatic hydrocarbons in alkanes three types of delayed luminescence (DL) can be observed: delayed monomer fluorescence, delayed excimer fluorescence and phosphorescence from the aromatic hydrocarbon. According to Lim and co-workers a fourth type of DL (DL4) from solutions o