Journal
CATALYSIS SURVEYS FROM ASIA
Volume 8, Issue 1, Pages 35-45Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/B:CATS.0000015113.75529.08
Keywords
ion beam technology; photocatalyst; metal ion implantation; ionized cluster beam method; visible light utilization; TiO(2) thin film; zeolite
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As a new concept for the design of effective photocatalysts, an ion beam technology using accelerated metal ions, a metal ion implantation and an ionized cluster beam (ICB) method, have been applied to design unique photocatalysts. The metal ion implantation of TiO(2) and Ti-containing zeolites with highly accelerated metal ions (V(+), Cr(+), etc.) is useful in designing photocatalysts that can operate efficiently under visible light irradiation. Also, an ICB method with a low acceleration energy is useful in preparing transparent TiO(2) thin films on various types of substrates for the efficient photocatalytic degradation of pollutants diluted in water and air. The combination of the ICB method and metal ion implantation can develop the TiO(2) thin films that are able to operate not only under UV light but also under visible light irradiation.
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