Preparation of Carbon Coated FeWO4 and its Photocatalytic Activity Under Visible Light~!2008-10-27~!2008-11-26~!2008-12-31~!
TL;DRAbstract
Preparation of carbon coated FeWO 4 was carried out by heat treatment of WO 2.9 with iron acetate at 400 o C, followed by carbonization with poly(vinyl alcohol) (PVA) as carbon precursor at 800 o C in N 2 atmosphere. The powders mainly consist of FeWO 4 . The photocatalytic activities of their samples were confirmed by phenol photodecomposition in its aqueous solution. Carbon coated FeWO 4 powders revealed photocatalytic activity under visible light. However, the photocatalytic activity of FeWO 4 without carbon coating could not be detected. Carbon coating to the FeWO 4 derived the photocatalytic activity under visible light irradiation. An addition of 10% PVA to the carbon coating derived the highest photocatalytic activity to decompose the phenol.
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Preparation of carbon coated FeWO 4 was carried out by heat treatment of WO 2.9 with iron acetate at 400 o C, followed by carbonization with poly(vinyl alcohol) (PVA) as carbon precursor at 800 o C in N 2 atmosphere. The powders mainly consist of FeWO 4 . The photocatalytic activities of their samples were confirmed by phenol photodecomposition in its aqueous solution. Carbon coated FeWO 4 powders revealed photocatalytic activity under visible light. However, the photocatalytic activity of FeWO 4 without carbon coating could not be detected. Carbon coating to the FeWO 4 derived the photocatalytic activity under visible light irradiation. An addition of 10% PVA to the carbon coating derived the highest photocatalytic activity to decompose the phenol.
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