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The influence of microwave heating on the texture and catalytic properties of oxidized multi-walled carbon nanotubes

Paper ID Volume ID Publish Year Pages File Format Full-Text
51299 46838 2009 5 PDF Available
Title
The influence of microwave heating on the texture and catalytic properties of oxidized multi-walled carbon nanotubes
Abstract

The influence of microwave heating on the catalytic performance of oxidized multi-walled carbon nanotubes (OMWCNTs) in oxidative dehydrogenation of ethylbenzene (ODEB) was investigated. OMWCNTs were characterized by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) before and after the catalytic reaction. The highest yield of ∼60% styrene was achieved under microwave-assisted reaction conditions. The significant amount of high disordered amorphous carbon was observed on the surface of OMWCNTs after the conventionally-heated reaction, while the treatment of the catalyst under microwave-assisted reaction conditions resulted in the formation of new layers of surface sp2-carbon. Moreover, the formation of carbonyl groups which are responsible for the dehydrogenation power of the catalyst was observed on the surface of OMWCNTs after the reaction in microwave oven only.

Keywords
Catalysis; Microwave; Ethylbenzene dehydrogenation; Carbon nanotubes
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The influence of microwave heating on the texture and catalytic properties of oxidized multi-walled carbon nanotubes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 11, 10 June 2009, Pages 1473–1477
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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