PHOTOSEMICONDUCTOR ELECTRODE, PHOTOELECTROCHEMICAL CELL, AND ENERGY SYSTEM

A photosemiconductor electrode (400) of the present invention includes a conductor (410) and a photosemiconductor layer (first semiconductor layer) (420) provided on the conductor (410). The photosemiconductor layer (420) includes a photosemiconductor (e.g., a photosemiconductor film (421)) and an o...

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Bibliographische Detailangaben
Hauptverfasser:	HATO, Kazuhito, KOZAWA, Yoshihiro, NOMURA, Takaiki, KURABUCHI, Takahiro, TAMURA, Satoru, MIYATA, Nobuhiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A photosemiconductor electrode (400) of the present invention includes a conductor (410) and a photosemiconductor layer (first semiconductor layer) (420) provided on the conductor (410). The photosemiconductor layer (420) includes a photosemiconductor (e.g., a photosemiconductor film (421)) and an oxide containing iridium element (e.g., iridium oxide (422)). The Fermi level of the oxide containing iridium element is more negative than the Fermi level of the photosemiconductor and is more negative than -4.44 eV, with respect to the vacuum level.