Mesoporous Titania Powders: The Role of Precursors, Ligand Addition and Calcination Rate on Their Morphology, Crystalline Structure and Photocatalytic Activity oleh Elisabetta Masolo, Manuela Meloni, Sebastiano Garroni, Gabriele Mulas, Stefano Enzo, Maria Dolors Baró, Emma Rossinyol, Agnieszka Rzeszutek, Iris Herrmann-Geppert, Maria Pilo