Photodegradation of Pentachlorophenol Using NiO-Coupled NiTiO₃ Nanocomposites from Layered Precursor as Photocatalysts

Abstract:

NiO-coupled NiTiO3 nanocomposites have been synthesized by calcining a precursor dodecylbenzensulfonate (DBS) modified Ni-Ti LDH (DBS-Ni5Ti) and characterized by XRD, ICP, TG/DTA, SEM and DRS methods. The results show that the photocatalytic activity is gradually enhanced with increasing calcination temperatures, consistent with the marked increase in the content of NiTiO3 phase. The pentachlorophenol (PCP) degradation percentage over DBS-Ni5Ti-800 is up to 66%. The NiTiO3 phase in the nanocomposites may act as a major one of the photocatalytic active phases in the degradation of PCP under UV-light irradiation.

• Periodical: Advanced Materials Research (Volumes 396-398)
• Pages: 411-416
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.396-398.411
• Online since: November 2011
• Authors: Zhi Yue Gao, Hui Zhang
• Keywords: NiO-Coupled NiTiO₃ Nanocomposites, Pentachlorophenol Degradation, Photocatalytic Activity

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