Construction of TiO2 nanotube arrays co-sensitized by Sb2S3-Bi2S3 microspheres by UV-assisted photodeposition for the enhanced photoelectrochemical performance. Issue 11 (1st August 2018)

• Record Type: Journal Article
• Authors: Li, Yanmin; Wang, Qingyao; Jin, Juan; Zhang, Zhenjiang; Gao, Shanmin
• Is Part Of: Ceramics international. Volume 44:Issue 11(2018)
• Page Start: 12825
• Page End: 12830
• Publication Date: 2018-08-01
• Subjects: TiO2 nanotube arrays -- UV deposition -- Microsphere -- Photocatalyst; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2018.04.090
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: Sb2 S3 and Bi2 S3 microspheres were prepared by a one-pot UV-assisted deposition method on the surface of TiO2 nanotube arrays (TiO2 NTs/Sb2 S3 -Bi2 S3 ) to improve the photoelectrochemical property of TiO2 NTs. The composition, morphology and optical harvesting were tested, and the sensitization by Sb2 S3 and Bi2 S3 microspheres exceedingly extended the light harvesting to the whole visible light region. The TiO2 NTs/Sb2 S3 -Bi2 S3 photoelectrodes could effectively enhance the solar-driven photoelectric conversion, photoelectrocatalytic (PEC) removal of pollutants including methyl orange (MO), rhodamine B (RhB) and Cr(VI). The as-prepared samples showed high stabilities during PEC progress, and the corresponding PEC mechanism was proposed in detail. The UV deposition technique provides an effective strategy of the TiO2 NTs sensitization by metal sulfide semiconductors.