Resonance enhancement of two-photon absorption in porphyrins

Drobizhev, M.; Karotki, A.; Kruk, M.; Rebane, A. (2002). Resonance enhancement of two-photon absorption in porphyrins. Chem. Phys. Lett., 355, 175−182.
ajakirjaartikkel
Drobizhev, M.; Karotki, A.; Kruk, M.; Rebane, A.
  • Inglise
2+fotoonse neeldumise resonatsvõimendus porfüriinides
Chem. Phys. Lett.
Chem. Phys. Lett.
0009-2614
355
2002
175182
Ilmunud
1.1. Teadusartiklid, mis on kajastatud Web of Science andmebaasides Science Citation Index Expanded, Social Sciences Citation Index, Arts & Humanities Citation Index ja/või andmebaasis Scopus (v.a. kogumikud)
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English, Two-photon absorption spectra in absolute cross-section values are presented for a number of octaethyl-, tetraphenyl-. and tetrabenzo-substituted porphyrins. In excitation spectral region of 710-810 nm, the two-photon absorption efficiency is resonantly enhanced due to nearby Q(0-0) one-photon transition. The cross-section value calculated directly from the ground- and excited-state absorption parameters in a single intermediate level approximation, agrees well with that measured in experiment. (C) 2002 Elsevier Science B.V. All rights reserved.
REVERSE SATURABLE ABSORPTION; PHOTODYNAMIC THERAPY; STATES; SPECTROSCOPY