▎ 摘 要
NOVELTY - Manufacturing a photoelectrode comprises (i) manufacturing a titanium dioxide nanotube array photoelectrode; (ii) manufacturing a titanium dioxide nanotube array photoelectrode doped with graphite phase carbon nitride; and (iii) manufacturing a titanium dioxide nanotube array photoelectrode doped with graphite phase carbon nitride and graphene. USE - The method is useful for manufacturing a photoelectrode. ADVANTAGE - The method is economical and environmentally friendly; and provides good stability, and high photocatalytic activity.