The role of quantum confinement and crystalline structure in excitonic lifetime of silicon nanocrystals - Borrero, L.; Nunes, Luiz Antônio de Oliveira; Andreeta, Marcelo Rubens Barsi; Pusep, Yuri A; Guimarães, Francisco Eduardo Gontijo (International Conference on Optics of Excitons in Confined Systems - OECS, 2009)