Photocatalytic methods for preparing metallized powders

US4264421A · kind A · utility

Assignee

• The Board of Regents of the University of Texas System · US

Inventors

• Allen J. Bard · Austin, US
• Wendell W. Dunn · Austin, US
• Bernhard Kraeutler · Zürich, CH

Key dates

• Filing date: May 30, 1979
• Grant date: Apr 28, 1981
• Expiry date: May 30, 1999

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J23/72
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Photocatalytic methods are disclosed for the preparation of metallized powders. Specifically, such methods include the photodeposition of platinum, copper and other metals on TiO.sub.2 powder and other semiconductor powders. The powders thus prepared are particularly useful as catalysts.