Photocatalyst composition and preparation for the same
AssigneeNational Tsing Hua University
InventorsYong-Chien Ling, Jen-Yu Liu
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Abstract
A solid solution photocatalyst composition and its preparation method are provided in the present invention. The solid solution photocatalyst can utilize its solid solution structure to regulate the conduction band position, valence band position, conduction band range and valence band range of the different response properties of the photocatalyst, so that oxidoreductive reaction is performed to remove the foul-smelling substances.
Claims18
A photocatalyst composition, comprising a solid solution photocatalyst.
A preparation method of a solid solution photocatalyst, comprising steps of:
- (a) diluting an element in a deionization water;
- (b) adding a chelating agent into the deionization water for forming a salt solution;
- (c) adding a sulfur-containing substance, and one of an oxygen-containing substance and a nitrogen-containing substance into the salt solution to obtain a mixed solution;
- and
- (d) drying the mixed solution to obtain the solid solution photocatalyst.
A preparation method of a photocatalyst composition, comprising steps of:
- (a) providing a solid solution photocatalyst;
- (b) mixing the solid solution photocatalyst with an additive to form a premixture;
- and
- (c) placing the premixture on a carrier.
A solid solution photocatalyst, comprising:
- a metal material having a first crystal phase;
- and
- a nonmetal material having a second crystal phase, wherein the second crystal phase is embedded with the first crystal phase to obtain a solid solution, and the nonmetal material is one selected from a group consisting of a sulfur-containing substance, an oxygen-containing substance and a nitrogen-containing substance.
Dependencies are inferred from the claim text.