PROCESS FOR PRODUCING COPPER VANADIUM SULFIDE, PHOTOCATALYST AND COCATALYST-CARRYING Cu3VS4

• Main Authors: IWASE AKIHIDE, FUKAI HIROSHI, KUDO AKIHIKO
• Format: Patent
• Language: English; Japanese
• Published: 12.04.2018
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide: a process for producing a copper vanadium sulfide that allows a copper vanadium sulfide having a sulvanite structure or a photocatalyst using the copper vanadium sulfide to have an improved hydrogen generation activity and allows a photoelectrode using the same to have improved photoelectrochemical characteristics; a process for producing the photocatalyst; and a process for producing cocatalyst-carrying CuVS.SOLUTION: There is provided a process for producing copper vanadium sulfide (CuVS) having a sulvanite structure that comprises heat-treating copper sulfide (CuS) and vanadium sulfide (VS) in the presence of sulfur (S).SELECTED DRAWING: None 【課題】サルバナイト構造を有する銅バナジウム硫化物ないし該銅バナジウム硫化物を用いる光触媒の水素生成活性およびそれを用いた光電極の光電気化学特性を向上することができる、銅バナジウム硫化物の製造方法、光触媒の製造方法、および助触媒担持Ｃｕ３ＶＳ４の製造方法を提供する。【解決手段】硫化銅（ＣｕＳ）および硫化バナジウム（Ｖ２Ｓ３）を硫黄（Ｓ）の存在下に熱処理することを含む、サルバナイト構造を有する銅バナジウム硫化物（Ｃｕ３ＶＳ４）の製造方法。【選択図】なし