Fluorescence and optical limiting via two-photon absorption in polyfluorene derivatives - Correa, D. S.; De Boni, Leonardo; Nowacki, B.; Grova, I.; Fontes, B. D.; Rodrigues, P. C.; Tozoni, J. R.; Akcelrud, L.; Mendonça, Cleber Renato (Brazilian MRS Meeting, 2012)