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Concentration dependence of pyrene excimer formation in doped polyethylene

✍ Scribed by M. Szadkowska-Nicze; M. Wolszczak; J. Kroh; J. Mayer


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
356 KB
Volume
75
Category
Article
ISSN
1010-6030

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A study on the concentration dependence
✍ Li, Xinsong; Wang, Guochang; He, Binlin πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 58 KB πŸ‘ 3 views

The Β―uorescence of pyrenyl labelled polystyrene has been investigated. The ratio of excimer to monomer intensities (I e /I m ) is found to vary tortuously with increasing concentration (C) and displays two critical concentration points, C at about 3.2 Γ‚ 10 Γ€2 g ml Γ€1 and C m at about 0.32 g ml Γ€1 .