公开(公告)号：JP2001276621A

公开(公告)日：2001-10-09

申请号：JP2000089647

申请日：2000-03-28

Applicant: NAT INST OF ADVANCED IND SCIEN

Inventor： HAYASHI HIROMICHI ,  SAITO ISAO ,  ONODERA YOSHIRO ,  NAGASE TAKAKO ,  TORII KAZUO

IPC: C01G55/00 ,  B01J23/58 ,  B01J32/00 ,  B01J35/02 ,  B01J37/03 ,  B01J37/10

Abstract: PROBLEM TO BE SOLVED: To provide a potassium titanate photocatalyst having high gaseous hydrogen generating rate and a manufacturing method thereof. SOLUTION: The potassium titanate photocatalyst is composed of a ruthenium carrying-potassium titanate compound obtained by carrying ruthenium on potassium hexatitanate produced by treating titanium tetraalkoxide and a potassium hydroxide aqueous solution under hot water of >=300 deg.C to =0 to