Wuhan University of Technology 1 article published in JoVE Chemistry The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance Amer Hakki1, Lu Yang1,2, Fazhou Wang2, Donald E. Macphee1 1Department of Chemistry, University of Aberdeen, 2State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology The focus of the present work is to establish means to generate and quantify levels of Ti-O-Si linkages and to correlate these with the photocatalytic properties of the supported TiO2.