| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for easily, continuously producing copper suboxide powder having a narrow grain size distribution in a short time by reducing copper ions in a solution by using a photocatalyst under specified conditions. SOLUTION: The photocatalyst is added to a solution in which a copper compound, a complexing agent and an alkali hydroxide are dissolved, and light is applied thereto to produce the powder of copper suboxide having a narrow grain size distribution.
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