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The key role of support surface tuning during the preparation of catalysts from reverse micellar-synthesized metal nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
52318 46869 2007 8 PDF Available
Title
The key role of support surface tuning during the preparation of catalysts from reverse micellar-synthesized metal nanoparticles
Abstract

Silica-supported cobalt catalysts have been prepared by depositing cobalt nanoparticles synthesized in reverse micellar systems. Two different reverse microemulsions comprising both a neutral (Triton X114) or an ionic (AOT) surfactant were used for the synthesis of nanoparticles. The materials have been characterized by 29Si MAS NMR, XRD, FTIR, H2-TPR, and TEM. Protection of the hydroxyl groups on the silica surface by silylation prior to loading of the cobalt nanoparticles has been found crucial for attaining the desired metal dispersions in the final catalyst owing to a higher chemical compatibility between the hydrophobic support surface and the microemulsion during the deposition step.

Keywords
Cobalt catalyst; Silica support; Reverse microemulsion; TEM
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The key role of support surface tuning during the preparation of catalysts from reverse micellar-synthesized metal nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 10, October 2007, Pages 1479–1486
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