The bismuth based compound oxide visible optical responsiveness photocatalyst harmful chemical material resolution removal mannered null general formula

摘要

PROBLEM TO BE SOLVED: To provide a photocatalyst which can be used not only in ultraviolet rays but also in visible light, by which a toxic chemical substance in a gas phase or a liquid phase can be decomposed and which is used as a toxic substance detoxifying means.;SOLUTION: This photocatalyst contains the multiple oxide semiconductor shown by general formula: MBi₂O₄ (wherein M is Ca, Sr or Ba) as a photocatalytic component.;COPYRIGHT: (C)2005,JPO&NCIPI