Effects of substituents on the photophysical properties of symmetrical porphyrins
AB Ormond, HS Freeman
Index: Ormond, Alexandra B.; Freeman, Harold S. Dyes and Pigments, 2013 , vol. 96, # 2 p. 440 - 448
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Citation Number: 37
Abstract
Porphyrin compounds having groups that mimic the phenolic moiety of m-and p-isomers of 5, 10, 15, 20-tetrakis (hydroxyphenyl) porphyrin (THPP) have been synthesized along with 5, 10, 15, 20-tetrakis (heteroaryl) porphyrins bearing 2-thienyl and 5-thiazolyl groups. Absorption and fluorescence spectroscopy, including fluorescence lifetime (τf) and quantum yield (Φf) measurements, were employed to characterize the singlet excited state of all ...
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