Photophysics of poly(p-phenylene vinylene) films - Anni, M.; Gigli, G.; Cingolani, R.; Galvão Gobato, Y.; Vercik, Andrés; Marletta, A.; Guimarães, Francisco Eduardo Gontijo; Faria, Roberto Mendonça (Brazilian Workshop on Semiconductor Physics - BWSP, 2003)