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The Optical Dynamics of Excitons in Cylindrical J-Aggregates

✍ Scribed by Lampoura, S. S.; Spitz, C.; Dähne, S.; Knoester, J.; Duppen, K.

Book ID
127030614
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
93 KB
Volume
106
Category
Article
ISSN
0022-3654

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✍ Kaoru Minoshima; Makoto Taiji; Kazuhiko Misawa; Takayoshi Kobayashi 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 523 KB

Time-resolved difference absorption spectra of J-aggregates were measured by femtosecond pump-probe spectroscopy. The induced absorption near the J-band at 20 K was assigned to the transitions from n-exciton states to ( n + 1 )-exciton states (n 2 1) . The decay time of the n( > 2)-exciton states is