Photocatalyst, process for producing the photocatalyst, and photocatalytic reaction method
First Claim
1. A titanium oxide phototocatalyst having metal ions of one or more metals incorporated therein selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt, wherein the metals ions are implanted from the surface to deep inside of the bulk of the photocatalyst in an amount of at least 1×
- 1015 ions per g of the titanium oxide, wherein the metal ions are present in the titanium oxide from the surface to a depth of 1000 Å
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Abstract
A titanium oxide photocatalyst having metal ions of one or more metals incorporated therein selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt, wherein the metal ions are implanted from the surface to deep inside of the bulk of the photocatalyst in an amount of at least 1×1015 ions per g of the titanium oxide; a process for producing the photocatalyst; and a photocatalytic reaction method using the photocatalyst.
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Citations
18 Claims
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1. A titanium oxide phototocatalyst having metal ions of one or more metals incorporated therein selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt, wherein the metals ions are implanted from the surface to deep inside of the bulk of the photocatalyst in an amount of at least 1×
- 1015 ions per g of the titanium oxide, wherein the metal ions are present in the titanium oxide from the surface to a depth of 1000 Å
. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- 1015 ions per g of the titanium oxide, wherein the metal ions are present in the titanium oxide from the surface to a depth of 1000 Å
- 8. A process for producing a photocatalyst, which comprises accelerating metal ions of one or more metals selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt to an energy level of at least 30 keV and implanting the accelerated metal ions into a titanium oxide.
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13. A photocatalytic reaction method, which comprises irradiating light in the wavelength regions from ultraviolet to visible on a titanium oxide photocatalyst having metal ions of one or more metals incorporated therein selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt, wherein the metals ions are implanted from the surface to deep inside of the bulk of the photocatalyst in an amount of at least 1×
- 1015 ions per g of the titanium oxide, wherein the metal ions are present in the titanium oxide from the surface to a depth of 1,000 Å
. - View Dependent Claims (14, 15, 16, 17, 18)
- 1015 ions per g of the titanium oxide, wherein the metal ions are present in the titanium oxide from the surface to a depth of 1,000 Å
Specification