Carbon Supported Gold Nanoparticles for the Catalytic Reduction of 4-Nitrophenol
This work is a detailed study on how to optimize gold colloids preparation and their deposition to very different in nature carbon materials. The change of the continuous phase and its dielectric constant is used to assure the good dispersion of the hydrophilic/hydrophobic carbons and the successful...
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Published in | Frontiers in chemistry Vol. 7; p. 548 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
Switzerland
Frontiers Media S.A
16.08.2019
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Subjects | |
Online Access | Get full text |
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Summary: | This work is a detailed study on how to optimize gold colloids preparation and their deposition to very different in nature carbon materials. The change of the continuous phase and its dielectric constant is used to assure the good dispersion of the hydrophilic/hydrophobic carbons and the successful transfer of the preformed small size colloids to their surface. The sintering behavior of the particles during the calcination step is also studied and the optimal conditions to reduce to a minimum the particle size increase during the protecting agent removal phase are found. The as prepared catalysts have been tested in a relevant reaction in the field of environmental catalysis such as the reduction of 4-nitrophenol leading to promising results. Overall, this work proposes an important methodology to follow when a carbonaceous material are selected as catalyst supports for green chemistry reactions. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Reviewed by: Zhihua Xu, Jianghan University, China; Tomoo Mizugaki, Osaka University, Japan Edited by: Hadi Nur, University of Technology Malaysia, Malaysia This article was submitted to Catalysis and Photocatalysis, a section of the journal Frontiers in Chemistry |
ISSN: | 2296-2646 2296-2646 |
DOI: | 10.3389/fchem.2019.00548 |