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Tacticity dependence of excimer formation in polystyrene solutions

✍ Scribed by Dominique Sarazin; Joseph Y. S. Gan; Jeanne François

Publisher
Springer
Year
1988
Tongue
English
Weight
232 KB
Volume
19
Category
Article
ISSN
0170-0839

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A study on the concentration dependence
A study on the concentration dependence of excimer formation in pyrenyl labelled polystyrene solutions
✍ Li, Xinsong; Wang, Guochang; He, Binlin 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 58 KB 👁 3 views

The ¯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 Â 10 À2 g ml À1 and C m at about 0.32 g ml À1 .