Effect of preparation conditions on visible photocatalytic activity of titania synthesized  by solution combustion method

Abstract

Abstract: Titania catalysts were synthesized by a solution combustion method (SCM). Photodegradation of 4-chlorophenol (4-CP) using the synthesized catalysts was studied under both visible light (λ≥420nm) and sunlight irradiation. The effect of preparation conditions on photocatalytic activities of the synthesized catalysts was investigated. The optimal photocatalytic activity of the catalyst（denoted as A1）was obtained under the following synthesis conditions: ignition temperature of 350℃, fuel ratio ( ) of 1 and calcination time of 1h. The degradation and mineralization ratio of 4-CP were 78.2% and 53.7% respectively under visible light irradiation for 3h using catalyst A1. And the catalyst A1 also showed high photocatalytic activity under sunlight irradiation.

Key words: TiO2, solution combustion method, photodegradation, visible light

摘要： Titania catalysts were synthesized by a solution combustion method (SCM). Photodegradation of 4-chlorophenol (4-CP) using the synthesized catalysts was studied under both visible light (λ≥420nm) and sunlight irradiation. The effect of preparation conditions on photocatalytic activities of the synthesized catalysts was investigated. The optimal photocatalytic activity of the catalyst（denoted as A1）was obtained under the following synthesis conditions: ignition temperature of 350℃, fuel ratio ( ) of 1 and calcination time of 1h. The degradation and mineralization ratio of 4-CP were 78.2% and 53.7% respectively under visible light irradiation for 3h using catalyst A1. And the catalyst A1 also showed high photocatalytic activity under sunlight irradiation.

关键词: TiO2;solution combustion method;photodegradation;visible light

CHENGYouping,SUNHongqi,JINWanqin,XUNanping. Effect of preparation conditions on visible photocatalytic activity of titania synthesized
by solution combustion method[J]. .

程友萍, 孙红旗, 金万勤, 徐南平. 燃烧法制备二氧化钛催化剂的条件对其可见光催化性能的影响[J]. CIESC Journal.

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Effect of preparation conditions on visible photocatalytic activity of titania synthesized
by solution combustion method

燃烧法制备二氧化钛催化剂的条件对其可见光催化性能的影响

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