title: Effect of Cu2O morphology on photocatalytic hydrogen generation and chemical stability of TiO2/Cu2O composite.
abstract: Improving photocatalytic activity and stability of TiO2/Cu2O composite is a challenge in generating hydrogen from water. In this paper, the TiO2 film/Cu2O microgrid composite was prepared via a microsphere lithography technique, which possesses a remarkable performance of producing H2 under UV-vis light irradiation, in comparison with pure TiO2 film, Cu2O film and TiO2 film/Cu2O film. More interesting is that in TiO2 film/Cu2O microgrid, photo-corrosion of Cu2O can be retarded. After deposition of Pt on its surface, the photocatalytic activity of TiO2/Cu2O microgrid in producing H2 is improved greatly.
authors.affiliation: Department of Physics, Beihang University, Beijing 100191, PR China.
authors.forename: Lihong
authors.initials: L
authors.lastname: Zhu
authors.forename: Junying
authors.initials: J
authors.lastname: Zhang
authors.forename: Ziyu
authors.initials: Z
authors.lastname: Chen
authors.forename: Kejia
authors.initials: K
authors.lastname: Liu
authors.forename: Hong
authors.initials: H
authors.lastname: Gao
mesh_terms: D002384:Catalysis; D003300:Copper / Q000737:chemistry* / Q000528:radiation effects; D006859:Hydrogen / Q000737:chemistry* / Q000302:isolation & purification; D008027:Light; D008422:Materials Testing; D053768:Metal Nanoparticles / Q000737:chemistry* / Q000528:radiation effects* / Q000648:ultrastructure; D010316:Particle Size; D010777:Photochemistry / Q000379:methods; D014025:Titanium / Q000737:chemistry* / Q000528:radiation effects; D014867:Water / Q000737:chemistry*
chemical_list: D014867:Water; C009495:titanium dioxide; D003300:Copper; D006859:Hydrogen; D014025:Titanium; C030973:cupric oxide