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Photoactivated and photopassivated benzylic oxidation catalyzed by pristine and oxidized carbons

Paper ID Volume ID Publish Year Pages File Format Full-Text
51119 46830 2011 4 PDF Available
Title
Photoactivated and photopassivated benzylic oxidation catalyzed by pristine and oxidized carbons
Abstract

The link between the structure of carbons and their performance toward catalytic benzylic oxidation by air is studied. Catalytic activity and selectivity of pristine and oxidized carbons can be enhanced, altered, or suppressed by ambient light. The photocatalytical performance of a carbonaceous material depends on the presence of defects, surface area, porosity, and surface oxidation. Adsorption of the hydroperoxide intermediate on the catalyst's surface is suggested as a key process that links the structure of the carbonaceous material with its catalytic activity. The potential of catalysis by carbon black and photocatalysis by graphite nanofibers for greener organic synthesis has been demonstrated.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights►Catalytic activity of carbons toward oxidation of p-xylene by air and the distribution of the reaction products depend on their structure and oxidation, and can be either increased or suppressed by ambient light. ►High surface area and large pores may lead to unexpected significant photopassivation of the catalyst. ►The potential of catalysis by carbon black and photocatalysis by graphite nanofibers for greener organic synthesis has been demonstrated.

Keywords
Hydrocarbons; Organic synthesis; Oxidation; Photocatalysis; Carbon
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Photoactivated and photopassivated benzylic oxidation catalyzed by pristine and oxidized carbons
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 7, 10 March 2011, Pages 669–672
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us