Excited state absorption spectra at Q-band region of free-base porphyrins: effects of pH and micelles - Gonçalves, P. J.; Correa, D. S.; De Boni, Leonardo; Parra, G. G.; Misoguti, Lino; Mendonça, Cleber Renato; Zílio, Sérgio Carlos; Borissevitch, Iouri; Barbosa Neto, N. M. (International Conference on Porphyrins and Phthalocyanines - SPP, 2014)