Synthesis and characterization of gel-derived, highly Al-doped TiO2 (Alx Ti1-xO2-x/2; x = 0.083, 0.154, 0.2) nanoparticles: Improving the photocatalytic activity - Navas, J.; Iglesias-Arnaiz, J. M.; Fernandez-Lorenzo, C.; Alcantara, R.; Blanco, G.; De Los Santos, D. M.; Sanchez-Coronilla, A.; Martin-Calleja, J. (Science of Advanced Materials, 2014)