Photophysical properties of neutral and cationic tetrapyridinoporphyrazines

Cristina Martí, Santi Nonell, Mónica Nicolau, Tomás Torres

Producció científica: Article en revista indexadaArticleAvaluat per experts

56 Cites (Scopus)


We describe the synthesis and photophysical properties of a series of neutral and cationic 3,4-tetrapyridinoporphyrazines, potential lead photosensitizers for photodynamic inactivation of bacteria. Tetracationic TPyPzs exist essentially as monomers in aqueous systems, but the presence of trialkylated compounds due to incomplete quaternization of the outer nitrogen atoms induces severe aggregation. The absorption, fluorescence, triplet, and singlet oxygen quantum yields for both the neutral and cationic compounds are comparable to those of the related phthalocyanines.

Idioma originalAnglès
Pàgines (de-a)53-59
Nombre de pàgines7
RevistaPhotochemistry and Photobiology
Estat de la publicacióPublicada - 1 de gen. 2000


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