Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 152, Issue -, Pages 403-412Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2014.01.025
Keywords
Nanostructured materials; Semiconductor nanoparticles; Photo-oxidation; Environmental process
Funding
- CNPq
- CAPES
- FAPEMIG
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CdS@NbxOy),core-shell nanostructures were used as heterogeneous catalysts for oxidizing organic compounds in aqueous media under ultraviolet light. The core/shell nanocrystals contained two nano-structured semiconductor that enhanced the catalytic properties of the material under UV-Vis irradiation. The developed core/shell nanocrystals displayed significant catalytic activity during the oxidation of organic substrates and may be suitable for degrading organic pollutants in water. The ESI-MS spectrum obtained for methylene blue after exposure to the nanostructured semiconductor nanoparticles revealed a hydroxylation caused by hydroxyl radicals in solution, forming a species at m/z= 301. (c) 2014 Elsevier B.V. All rights reserved.
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