Preparation and Photocatalytic Preoperty of Cu11O2 (VO4)6 Photocatalyst by Sol-Gel Method

Min Wang; Qiong Liu; Hai Yan Luan

doi:10.4028/www.scientific.net/AMR.361-363.1598

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 361-363Preparation and Photocatalytic Preoperty of Cu11O2...

Preparation and Photocatalytic Preoperty of Cu₁₁O₂ (VO₄)₆ Photocatalyst by Sol-Gel Method

Abstract:

Cu₁₁O₂ (VO₄)₆ powders have been synthesized by complexing Sol-Gel method using citric acid as chelate, calcined at different temperature without using any template. Techniques of X-ray diffraction (XRD) and scanning electron microscope (SEM) have been employed to characterize the as-synthesized materials. The photocatalytic activity was evaluated by photocatalytic degradation of methyl orange (MO) solution under UV-light. It revealed that temperature values can influence significantly on the morphologies and structures of the products.It also found that the sample prepared with the molar ratio of citric acid to metal inons be 2:1, pH=7 and calcinated under 500°C for 4 hours was pure triclinic Cu₁₁O₂ (VO₄)₆ phase.In this conditions, the sample had highest photocatalytic activity with the photodegradation rate was about 78.9% or so in 60min under 20W ultraviolet lamp.