Photophysics of indole derivatives: experimental resolution of La and Lb transitions and comparison with theory

Maurice R. Eftink; LeRoy A. Selvidge; Patrik R. Callis; Aden A. Rehms

doi:10.1117/12.17724

1 May 1990 Photophysics of indole derivatives: experimental resolution of L_a and L_b transitions and comparison with theory

Maurice R. Eftink, LeRoy A. Selvidge, Patrik R. Callis, Aden A. Rehms

Author Affiliations +

Proceedings Volume 1204, Time-Resolved Laser Spectroscopy in Biochemistry II; (1990) https://doi.org/10.1117/12.17724
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

Fluorescence excitation and anisotropy spectra are presented for a set of methyl and methoxyindoles at -50 degreesC in propylene glycol glass. These spectra are interpreted in terms of two overlapping (pi)->(pi)^* electronic transitions (¹L_a and ¹L_b). Semiempirical molecular orbital calculations are presented to correlate with the observed spectral changes caused by methyl and methoxy substitution.

Citation Download Citation

Maurice R. Eftink, LeRoy A. Selvidge, Patrik R. Callis, and Aden A. Rehms "Photophysics of indole derivatives: experimental resolution of L_a and L_b transitions and comparison with theory", Proc. SPIE 1204, Time-Resolved Laser Spectroscopy in Biochemistry II, (1 May 1990); https://doi.org/10.1117/12.17724

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