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Microwave-assisted synthesis of Au, Ag and Au-Ag nanoparticles and their catalytic activities for the reduction of nitrophenol (Articolo in rivista)
- Type
- Label
- Microwave-assisted synthesis of Au, Ag and Au-Ag nanoparticles and their catalytic activities for the reduction of nitrophenol (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/S0167-2991(10)75122-3 (literal)
- Alternative label
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- Albonetti S.; Blosi M.; Gatti F.; Migliori A.; Ortolani L.; Morandi V.; Baldi G.; Barzanti A.; Dondi M. (literal)
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- In: PREPA10 - 10th International Symposium \"Scientific Bases for the Preparation of Heterogeneous Catalysts\" (Louvain (Belgio), 11-15 July 2010). Proceedings, pp. 621 - 624. E.M. Gaigneaux, M. Devillers, S. Hermans, P. Jacobs, J. Martens and P. Ruiz (Editors) (eds.). (Studies in Surface Science and Catalysis, vol. 175). Elsevier, 2010. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Industrial Chemistry and Materials, University of Bologna, Viale Risorgimento 4, 40136 Bologna - Italy, CNR-ISTEC, Faenza, CNR-IMM, Bologna, CERICOL, Centro Ricerche Colorobbia, Via Pietramarina 123, 50053 Sovigliana Vinci, Italy (literal)
- Titolo
- Microwave-assisted synthesis of Au, Ag and Au-Ag nanoparticles and their catalytic activities for the reduction of nitrophenol (literal)
- Abstract
- A simple, microwave-assisted, strategy for producing Au/Ag concentrated sols by glucose reduction in water was developed. PVP stabilized Ag-Au bimetallic nanoparticles were characterized and their catalytic activity was studied in the reduction of 4-nitrophenol with NaBH4 as a probe reaction. The Ag-Au nanoparticles were prepared by first optimizing the synthesis of Au colloid and then carrying out the deposition of a silver shell. Microwave heating has been shown to provide more homogeneous particle nucleation and shorter synthesis time than traditional heating. Prepared Au, Ag and Au/Ag nanocrystals function as effective catalyst for the reduction of p-nitrophenol in the presence of NaBH4 otherwise unfeasible if only the strong reducing agent NaBH4 is employed (literal)
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