Preparation of TiO₂ nanorod arrays decorated with CdS nanoparticles exhibiting enhanced photoelectrochemical and photocatalytic properties in visible light
by Zheng Xie; Shuang Shuang; Lingwei Ma; Xiangxuan Liu; Zhengjun Zhang
International Journal of Nanomanufacturing (IJNM), Vol. 12, No. 3/4, 2016

Abstract: TiO₂ nanorod arrays (TiO₂ NRAs) decorated with CdS nanoparticles (CdS NPs) were fabricated via successive ion layer adsorption and reaction (SILAR), and TiO₂ NRAs were obtained by oxidising Ti NARs obtained through oblique angle deposition (OAD) by magnetron sputtering. The TiO₂ NRAs decorated with CdS NPs exhibited excellent visible light photoelectrochemical and photocatalytic properties, and the one decorated with 20 SILAR cycles CdS NPs plays the best performance. This can be attributed to the enhanced electrons-holes generation and separation by forming hetero-junctions of CdS NPs and TiO₂ NRAs. It provides a promising way to fabricate the material applied in the solar energy conversion and waste water degradation.

Online publication date: Fri, 23-Sep-2016

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