Fabricated metal zeolites as photocatalysts for the degradation of organic pollutants

Zeolite frameworks provide an excellent host for metal ions like silver, gold, and copper. The modified zeolites were characterized using various spectroscopic techniques, including low-temperature solid-state luminescence, Raman and FT-EXAFS, SEM–EDS, X-Ray fluorescence, along with theoretical calc...

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Bibliographic Details
Published in:Research on chemical intermediates 2021-02, Vol.47 (2), p.433-458
Main Authors: Kanan, Sofian M., Moyet, Matthew A.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Gold
Inorganic Chemistry
Low temperature
Metal ions
Oligomers
Pesticides
Photocatalysis
Physical Chemistry
Pollutants
Silver
Zeolites
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Summary:Zeolite frameworks provide an excellent host for metal ions like silver, gold, and copper. The modified zeolites were characterized using various spectroscopic techniques, including low-temperature solid-state luminescence, Raman and FT-EXAFS, SEM–EDS, X-Ray fluorescence, along with theoretical calculations. Analyses indicate the formation of metal ion oligomers for the studied silver- and gold-incorporated zeolite catalysts. The oligomer-incorporated zeolites were found to provide strong photocatalytic behavior towards pesticides and chlorinated organic pollutants. Various catalytic parameters like the metal composition, pore diameter, structure, surface area as well as proposed kinetic mechanisms for the photocatalytic reactions are presented in this mini review.
ISSN:0922-6168
1568-5675
DOI:10.1007/s11164-021-04416-8