Intramolecular photoinduced electron transfer reaction of a series of fixed distance triads consisting of free-base porphyrin, zinc porphyrin, and quinone or pyromellitimide have been investigated by means of steady-state fluorescence spectroscopy, picosecond time-resolved fluorescence spectroscopy,
π-electron absorption spectra in free-base phthalocyanine and porphyrin
✍ Scribed by S. C. Mathur; J. Singh; H. Kumar
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- English
- Weight
- 335 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0370-1972
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## Abstract The effect of substituents on the position and intensity of the electronic absorption and fluorescence spectra of phthalocyanines (Pcs) was examined for 35 Pc compounds. When electron‐releasing groups are bound to four __α__‐benzo positions of the Pc skeleton, the B and Q bands shift to
All-valence-electron SCF MO CI calculations of the spectra of dianion and free base porphin were performed. Comparisons are made with other SCF MO CI calculations and with experiment. The results obtained are seen to be in reasonable agreement with experiment. Characteristics of the calculated ba