Journal
APPLIED SURFACE SCIENCE
Volume 256, Issue 22, Pages 6678-6682Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2010.04.069
Keywords
Epoxidation; Styrene; Cyclooctene; Co3O4 and Mn3O4 nanocatalysts; Sonochemistry
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Funding
- Tarbiat Modares University
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A simple sonochemical method was developed to synthesis uniform sphere-like Co3O4 and Mn3O4 nanocrystals. Epoxidation of styrene and cyclooctene by anhydrous tert-butyl hydroperoxide over the prepared Co3O4 and Mn3O4 nanocatalysts was investigated. The results of conversion activity were compared with bulk Co3O4 and Mn3O4. Under optimized reaction conditions, the nanocatalysts showed a superior catalytic performance as compared to the bulk catalysts. Powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and BET surface area, were used to characterize and investigate the nanocatalysts. (C) 2010 Elsevier B.V. All rights reserved.
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