New luminescent materials based on iridium complexes incorporated in mesoporous silica hosts: in situ versus topotactic approaches - Queiroz, T. B.; Botelho, M.; de Camargo, Andrea Simone Stucchi; Eckert, Hellmut; Fernandez-Hernandez, J. M.; Cola, L. (International Conference on Multifunctional, Hybrid and Nanomaterials, 2011)