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Ultrafast spectroscopy of PICBr J aggregates: the dynamics of large coherence length exciton

✍ Scribed by Shunsuke Kobayashi; Fumio Sasaki


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
304 KB
Volume
58
Category
Article
ISSN
0022-2313

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πŸ“œ SIMILAR VOLUMES


Pumpβ€”probe spectroscopy and exciton dyna
✍ Alan E. Johnson; Shigeichi Kumazaki; Keitaro Yoshihara πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 482 KB

We have measured the picosecond pump-probe spectra of BIC J aggregates using a spectral continuum for the probe. The excitation pulses were intense ( 10L5-2 x lOI photons/cm\*) and created many excitons per aggregate. The observed dynamics are intensity dependent and reflect exciton-exciton annihila