Journal
CATALYSIS COMMUNICATIONS
Volume 109, Issue -, Pages 71-75Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2018.02.023
Keywords
NiCo2O4; Nanoneedle; Hierarchical microflower; Styrene oxidation; Styrene oxide
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Funding
- Natural Science Foundation for High Education of Jiangsu Province [17KJB530011]
- Science and Technology Innovation Foundation of Yangzhou University [2017CXJ015]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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NiCo2O4 nanoneedle-assembled microflowers have been prepared by a facile one-pot hydrothermal route. The NiCo2O4 microflowers have a well-defined three-dimensional (3D) hierarchical mesoporous structure. When used as catalysts for the styrene oxidation, the 3D NiCo2O4 microflowers show a markedly high styrene conversion of 99% and a high selectivity of 80% to styrene oxide (SO). In addition, the NiCo2O4 catalysts exhibit good recycling stability. The excellent catalytic performance of the NiCo2O4 catalysts can be owing to the numerous surface active sites caused by the 3D hierarchical mesoporous structure and the possible synergistic effect between nickel and cobalt ions.
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