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Enhancing the catalytic activity of carbon nanotubes by filled iron nanowires for selective oxidation of ethylbenzene

Paper ID Volume ID Publish Year Pages File Format Full-Text
49612 46756 2014 5 PDF Available
Title
Enhancing the catalytic activity of carbon nanotubes by filled iron nanowires for selective oxidation of ethylbenzene
Abstract

•Iron nanowire filled carbon nanotubes (Fe@CNTs) are used in ethylbenzene oxidation.•Filled Fe enhances the catalytic activity of CNTs for the oxidation of ethylbenzene.•Fe@CNTs can be easily separated from the reaction mixtures by external magnet.•Fe@CNTs exhibit excellent stability for the aerobic oxidation of ethylbenzene.

Iron nanowire filled carbon nanotubes (Fe@CNTs) were synthesized by chemical vapor deposition method and employed as heterogeneous catalysts for selective oxidation of ethylbenzene to acetophenone with molecular oxygen. The results showed that filled iron nanowires efficiently enhanced the catalytic activity of CNTs, arising from improving electron transfer. Moreover, Fe@CNTs could be easily separated from the reaction mixtures by external magnet and displayed excellent stability with no significant loss of catalytic activity after six cycling reactions. The result presented herein paves the way for the development of novel carbon catalysts for the liquid phase oxidation of ethylbenzene.

Graphical abstractThe filled iron nanowires efficiently enhanced the catalytic activity of carbon nanotubes (CNTs) in aerobic liquid-phase oxidation of ethylbenzene (EB) to acetophenone (AcPO), and the catalyst could be easily separated from the reaction mixtures by external magnet.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Heterogeneous catalysis; Carbon nanotubes; Ethylbenzene; Aerobic oxidation
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Enhancing the catalytic activity of carbon nanotubes by filled iron nanowires for selective oxidation of ethylbenzene
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 51, 5 June 2014, Pages 77–81
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
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