Photophysical properties and quantum chemical studies of poly(2,7-9,9'-dihexyfluorene-dyil) - Oliveira, Hueder P. M.; Martins, Tatiana D.; Honório, Káthia Maria; Rodrigues, Paula C.; Akcelrud, Leni; Silva, Alberico Borges Ferreira da; Atvars, Teresa D. Z. (Journal of the Brazilian Chemical Society, 2009)