Fig. 3From: Photocatalytic Activities Enhanced by Au-Plasmonic Nanoparticles on TiO2 Nanotube Photoelectrode Coated with MoO3 Linear sweep curves of photoelectrodes a without and b with light irradiation, and photocurrent responses at c 0 V (light source: 532-nm laser). d Prolonged photocurrent measurements under 532-nm laser irradiation. e Nyquist plots of various photoelectrodesBack to article page