Fig. 3From: Gold nanoparticles loaded on TiO2 nanoparticles doped with N2 as an efficient electrocatalyst for glucose oxidation: preparation, characterization, and electrocatalytic propertiesTEM images of Au NPs/TiO2 NPs-N2 powder a at 20Â nm and b at 50Â nm and c corresponding particle size distribution histograms of Au NPs/TiO2 NPs-N2 catalystBack to article page