Unusual spectral and electrochemical properties of azobenzene-substituted porphyrins

A series of azobenzene-substituted porphyrin derivatives, MPA n (M = H 2, Zn; n = 1, 2, 4), has been prepared. These compounds were characterized by spectral and electrochemical methods. The Soret and Q bands of ZnPA n were red-shifted along with the increase of Q-band intensity ratio ( ɛ α / ɛ β )...

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