Excitation transfer through quantum dots measured by microluminescence: dependence on the quantum dot density - Sales, F V de; Silva, S W da; Monte, F G; Soler, M A G; Cruz, J M R; Silva, M J da; Quivy, Alain André; Leite, J. R.; Morais, P C (Physica Status Solidi A-Applied Research, 2002)