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Effect of peripheral fused ring substitution on the optical spectroscopy and electronic structure of metal phthalocyanine complexes

✍ Scribed by Chidawanyika, Wadzanai; Mack, John; Shimizu, Soji; Kobayashi, Nagao; Nyokong, Tebello


Book ID
120177857
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
449 KB
Volume
13
Category
Article
ISSN
1088-4246

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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 __Ξ±__‐benzo positions of the Pc skeleton, the B and Q bands shift to

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Four non-peripheral alkyloxy substituted metal-free phthalocyanines have been synthesized and characterized with X-ray crystal structure, IR, UV-vis and 1 H NMR. It is found that the center caves of Pc skeletons were expanded but their ring currents were reduced by the introduction of alkyloxy subst