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Photocatalytic Degradation of Reactive Brilliant Blue X-BR in Aqueous Solution Using Quantum-sized ZnO

Photocatalytic Degradation of Reactive Brilliant Blue X-BR in Aqueous Solution Using Quantum-sized ZnO

S Su, S X Lu, W G Xu

Mater Res Bull. 2008 Aug 4;43(8-9):2172-2178.

PMID: 19657381

Abstract:

Quantum-sized ZnO was prepared using sol-gel method with Zinc acetate dehydrate (Zn(CH(3)COO)(2).2H(2)O) and lithium hydroxide monohydrate(LiOH.H(2)O) as raw material. The ZnO particles annealed at different temperature were characterized by means of X-ray diffraction (XRD), Infrared absorption spectroscopy (IR) and UV-Vis spectroscopy. The degradation rate of reactive brilliant blue X-BR in aqueous solution was used to evaluate the photocatalytic performance of the quantum-sized ZnO. The experimental results indicated that the photocatalytic property of the ZnO was excellent. The photocatalytic efficiency of quantum-sized ZnO was significantly influenced by the calcining heat. When calcined at 300(o)C, its size is 6.78 nm and the photocatalytic performance is the best. The degradation rate of reactive brilliant blue X-BR could exceed 90% in 15 min at 35(o)C, when the concentration of the quantum-sized ZnO was 0.35 mg/L.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1310663	Lithium hydroxide monohydrate		1310-66-3	Price

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