Probing the Excitonic Density of States in Semiconductor Nanocrystals Using Integrated Photoluminescence Spectroscopy Yu. Rakovich, S. Filonovich, M.I. Vasilevskiy, M. Artemyev, D.V. Talapin, A.L. Rogach, A.G. Rolo and M.J.M. Gomes COST Materials Action 523 – Mid Term Meeting and Workshop on “NanoMaterials, Fundamentals and Applications”, National Technology Park, Irlanda, 4-6 de Outubro 2001