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Polymer electrophosphorescent devices utilizing a ladder-type poly(para-phenylene) host

✍ Scribed by Yang, X. H.; Neher, D.; Scherf, U.; Bagnich, S. A.; Bässler, H.


Book ID
120193609
Publisher
American Institute of Physics
Year
2003
Tongue
English
Weight
340 KB
Volume
93
Category
Article
ISSN
0021-8979

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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