MANUFACTURING METHOD OF VISIBLE LIGHT RESPONSE TYPE PHOTOCATALYST

PROBLEM TO BE SOLVED: To provide a manufacturing method of a visible light response type photocatalyst having a high-performance catalytic activity based on high light absorbing power even in the region of visible light. SOLUTION: The photocatalyst is manufactured by producing titanium disulfide fro...

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Bibliographic Details
Main Authors SOMA MITSUE, TAKANO KATSUMASA, KATSUTA HIROSHI, ITO KAZUAKI, YAMAMOTO HARUYA, YOSHIKAWA MASATO, UNNO HIDEO
Format Patent
LanguageEnglish
Published 08.03.2007
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a manufacturing method of a visible light response type photocatalyst having a high-performance catalytic activity based on high light absorbing power even in the region of visible light. SOLUTION: The photocatalyst is manufactured by producing titanium disulfide from titanium dioxide and carbon disulfide or from titanium tetrachloride and hydrogen disulfide and heating the resultant titanium disulfide, as the starting material, in a gas flow comprising nitrogen, oxygen, ammonia and water vapor to 400-650°C. The photocatalyst contains crystals of the anatase and rutile phases added with nitrogen and sulfur. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050240778