Phosphonate molecular layers on TiO2 surfaces P. Canepa, I. Solano, S. Uttiya, G. Gemme, R. Rolandi, M. Canepa and O. Cavalleri MATEC Web Conf., 98 (2017) 03001 Published online: 08 February 2017 DOI: 10.1051/matecconf/20179803001