Optical semiconductor electrode, and water photolysis method using photoelectrochemical cell provided with same
In order to improve hydrogen generation efficiency, an optical semiconductor electrode with high quantum efficiency, and a water photolysis method using a photoelectrochemical cell provided with said optical semiconductor electrode are provided. This optical semiconductor electrode (200) is provided...
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| creator | MIZUHATA, MINORU KURABUCHI, TAKAHIRO TAMURA, SATORU HATO, KAZUHITO TOKUHIRO, KENICHI |
| description | In order to improve hydrogen generation efficiency, an optical semiconductor electrode with high quantum efficiency, and a water photolysis method using a photoelectrochemical cell provided with said optical semiconductor electrode are provided. This optical semiconductor electrode (200) is provided with a conductive substrate (102), a first semiconductor photocatalytic layer (202) formed on the surface of the conductive substrate (102), and a second semiconductor photocatalytic layer (202) formed on the surface of the first semiconductor photocatalytic layer, wherein the optical semiconductor electrode (200) has multiple columnar projections on the surface, and the surface of the columnar projections is formed from the second semiconductor photocatalytic layer (202). |
| format | Patent |
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| subjects | APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Optical semiconductor electrode, and water photolysis method using photoelectrochemical cell provided with same |
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