Synthesis and enhanced photoelectrocatalytic activity of p–n junction Co3O4/TiO2 nanotube arrays

• Published in: Applied surface science Vol. 264; pp. 157 - 161
• Main Authors: Dai, Gaopeng, Liu, Suqin, Liang, Ying, Luo, Tianxiong
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.01.2013; Elsevier
• Subjects: Co3O4/TiO2 nanotube arrays; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Condensed matter: structure, mechanical and thermal properties; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Photoelectrocatalytic activity; Physics; p–n junction; Co3O4/TiO2 nanotube arrays; Photoelectrocatalytic activity; p–n junction; Inorganic compounds; p n junctions; Transition element compounds; Nanotubes; nanotube arrays; TiO; Titanium oxide; Arrays; Co; O; p-n junction

► Co3O4/TiO2 nanotube arrays (NTs) were prepared by an impregnating–deposition–decompostion method treatment. ► Co3O4/TiO2 NTs exhibit high photoelectrocatalytic (PEC) activity. ► The high PEC activity was attribute to the formation of p–n junction between Co3O4 and TiO2. Co3O4/TiO2 nanotube arrays...