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The origin of the delayed emission in films of a ladder-type poly(para-phenylene)

✍ Scribed by D Hertel; Yu.V Romanovskii; B Schweitzer; U Scherf; H Bässler

Book ID
117537415
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
181 KB
Volume
116
Category
Article
ISSN
0379-6779

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✍ W. Graupner; G. Leising; G. Lanzani; M. Nisoli; S. De Silvestri; U. Scherf 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 405 KB

The primary photoexcitations of a poly(para-phenylene)-type ladder polymer in toluene solution are studied by a time-resolved pump-and-probe technique. Upon exciting the sample with 120 fs pulses a strong stimulated emission is found with a decay time of 190 ps. The stimulated emission centered in t