Highly active photocatalyst and process for producing the same
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United States of America Patent
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Oct 27, 2009
Grant Date -
Sep 29, 2005
app pub date -
Jun 5, 2003
filing date -
Jun 25, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a photocatalyst which is high in catalytic activity, is nontoxic, has a long life, allows visible light to be used directly for its photocatalytic reaction and is especially useful for hydrogen generation, and a process for producing it. It contains a cadmium compound, has a capsular structure, has an average particle diameter of 100 nm or less and can be manufactured by dropping a solution of a cadmium salt into a solution of a sodium compound or admixing a solution of a sodium compound in a suspension of particles of a cadmium compound.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....
- H01C:RESISTORS
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
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