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A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a colloidal solution including at least a metallic

A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a colloidal solution including at least a metallic oxide precursor on the support, wherein the metallic oxide layer includes a high density metallic oxide layer of a less porous structure and a low density metallic oxide layer of a more porous structure.

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A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a colloidal solution including at least a metallic

A photocatalyst and a manufacturing method therefore, in which the adhesion to a support is increased and a baking step is simplified. The photocatalyst comprises the support and a metallic oxide layer provided on the support by applying and baking a colloidal solution including at least a metallic oxide precursor on the support, wherein the metallic oxide layer includes a high density metallic oxide layer of a less porous structure and a low density metallic oxide layer of a more porous structure. nder comprises an amino acid. 7. The process set forth in claim 6, wherein said organic titanium compound comprises an alkoxide derivative of Ti. 8. The process set forth in claim 5, wherein said organic titanium compound comprises an alkoxide derivative of Ti.