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Preparation and characterization of water soluble viologen-linked trisulfonatophenylporphyrin (TPPSCnV)

✍ Scribed by Yutaka Amao; Tomohiro Hiraishi; Ichiro Okura

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
577 KB
Volume
126
Category
Article
ISSN
1381-1169

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✦ Synopsis

A series of water soluble viologen-linked trisulfonatophenylporphyrins (TPPSC,,V; n = 3-6) were synthesized. Viologen is connected with the trisulfonatophenylporphyrin via a methylene chain (-(CH,),!-: n = 3-6) in these compounds. The photochemical and electrochemical properties of TPPSC,V were investigated by using the absorption spectra, the fluorescence spectra and the cyclic voltammetric measurement. The photoexcited singlet state of the porphyrin moiety of TPPSCJ was quenched by the bonded viologen. 0 1997 Elsevier Science B.V.

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