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Metal-organic framework as a host for synthesis of nanoscale Co3O4 as an active catalyst for CO oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
50693 46809 2011 5 PDF Available
Title
Metal-organic framework as a host for synthesis of nanoscale Co3O4 as an active catalyst for CO oxidation
Abstract

Co3O4 nanoparticles were prepared from cobalt nitrate that was accommodated in the pores of a metal-organic framework (MOF) ZIF-8 (Zn(MeIM)2, MeIM = 2-methylimidazole) by using a simple liquid-phase method. The ZIF-8 host was removed by pyrolysis under air and subsequently washing with an NH4Cl–NH3·H2O aqueous solution. Transmission electron microscopy (TEM) analysis shows that the obtained Co3O4 is composed of separate nanoparticles with a mean size of 18 nm. The Co3O4 nanoparticles exhibit excellent catalytic activity, cycling stability, and long-term stability in the low temperature CO oxidation.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► Pyrolysis of cobalt nitrate confined in the pore of a MOF yields nanoscale Co3O4. ► The MOF host is fully removed to yield neat Co3O4. ► The Co3O4 is composed of separate nanoparticles with a uniform size of ca. 18 nm. ► The Co3O4 exhibits excellent catalytic activity and stability in CO oxidation.

Keywords
Metal-organic framework; Cobalt oxide nanoparticles; Carbon monoxide oxidation; Catalyst stability
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Metal-organic framework as a host for synthesis of nanoscale Co3O4 as an active catalyst for CO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 10, 15 May 2011, Pages 875–879
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
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