| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for producing copper-doped titanium oxide excellent in photocatalytic action in comparison with copper-doped titanium oxide obtained by a conventional sol-gel method. <P>SOLUTION: The method for producing copper-doped titanium oxide includes: a process of refluxing a solution prepared by adding a copper alkoxide to a titanium alkoxide; a process of forming a sol solution serving as a precursor of the copper-doped titanium oxide by adding an acid catalyst to the solution after the refluxing treatment; a gel-forming process of forming gel by heating the sol solution to advance hydrolysis and a polycondensation reaction of the alkoxides; a hydrothermal treatment process of heating the gel after immersing it in distilled water to remove organic substances; and a firing process of forming the copper-doped titanium oxide by firing the gel after the hydrothermal treatment to crystallize it. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
