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SINGLET EMISSION STUDIES ON PORPHYRINS APPENDED WITH HETEROCYCLIC BASES
Author(s) -
Suriyanarayanan P.,
Krishnan V.
Publication year - 1983
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1983.tb03378.x
Subject(s) - intramolecular force , porphyrin , chemistry , indole test , quinoline , photochemistry , singlet state , singlet oxygen , fluorescence , aggregation induced emission , stereochemistry , excited state , organic chemistry , physics , quantum mechanics , oxygen , nuclear physics
— Porphyrins appended in the meso positions with 1,2‐diazole, indole and quinoline are shown to exhibit enhanced fluorescence quantum yields relative to meso tetraphenyl porphyrin. The singlet emission yields decrease with the number of appended heterocyclic bases. An intramolecular charge transfer resonance mechanism has been advanced to interpret these results.
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