Ligand-Exchange Assisted Formation of Au/TiO2 Schottky Contact for Visible-Light Photocatalysis Ding, Dawei ; Liu, Kai ; He, Shengnan ; Gao, Chuanbo ; Yin, Yadong Abstract Publication: Nano Letters Pub Date: November 2014 DOI: 10.1021/nl503585m Bibcode: 2014NanoL..14.6731D