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Enhanced catalytic activity of K-birnessite MnO2 confined in carbon nanotubes for selective oxidation of benzyl alcohol

Paper ID Volume ID Publish Year Pages File Format Full-Text
50193 46783 2014 4 PDF Available
Title
Enhanced catalytic activity of K-birnessite MnO2 confined in carbon nanotubes for selective oxidation of benzyl alcohol
Abstract

•K-birnessite MnO2 was successfully filled in CNTs by spontaneous redox.•The obtained materials exhibited good catalytic activity in benzyl alcohol oxidation.•K+ may inhibit the transformation of Mn4 + to Mn3 + and promote catalytic oxidation.

K-birnessite MnO2 encapsulated in carbon nanotubes (CNTs) was prepared by spontaneous redox between KMnO4 and CNTs at room temperature and exhibited excellent catalytic activity for selective oxidation of benzyl alcohol. Research results showed that the enhanced catalytic activity can be attributed to the easier reducibility of MnO2 confined in CNTs, the inhibition for Mn4 + into Mn3 + and the stability of catalysts due to the existence of K species.

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Keywords
Carbon nanotubes; Spontaneous redox; Confinement; Benzyl alcohol
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Enhanced catalytic activity of K-birnessite MnO2 confined in carbon nanotubes for selective oxidation of benzyl alcohol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 46, 10 February 2014, Pages 238–241
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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