PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions
Palladium nanoparticles stabilized by poly (N-vinyl-2-pyrrolidone) (PVP) can be synthesized by corresponding Pd(acac)2 (acac = acetylacetonate) as precursor in methanol at 80°C for 2 h followed by reduction with NaBH4 and immobilized onto SiO2 prepared by sol-gel process under acidic conditions (HF...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Journal of Nanotechnology |
| Online Access: | http://dx.doi.org/10.1155/2013/906740 |
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| author | Caroline Pires Ruas Daiane Kessler Fischer Marcos Alexandre Gelesky |
| author_facet | Caroline Pires Ruas Daiane Kessler Fischer Marcos Alexandre Gelesky |
| author_sort | Caroline Pires Ruas |
| collection | DOAJ |
| description | Palladium nanoparticles stabilized by poly (N-vinyl-2-pyrrolidone) (PVP) can be synthesized by corresponding Pd(acac)2 (acac = acetylacetonate) as precursor in methanol at 80°C for 2 h followed by reduction with NaBH4 and immobilized onto SiO2 prepared by sol-gel process under acidic conditions (HF or HCl). The PVP/Pd molar ratio is set to 6. The effect of the sol-gel catalyst on the silica morphology and texture and on Pd(0) content was investigated. The catalysts prepared (ca. 2% Pd(0)/SiO2/HF and ca. 0,3% Pd(0)/SiO2/HCl) were characterized by TEM, FAAS, and SEM-EDS. Palladium nanoparticles supported in silica with a size 6.6 ± 1.4 nm were obtained. The catalytic activity was tested in hydrogenation of alkenes. |
| format | Article |
| id | doaj-art-167ab05ee1fc4fbd8c0c90263b8f6f2e |
| institution | Kabale University |
| issn | 1687-9503 1687-9511 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Nanotechnology |
| spelling | doaj-art-167ab05ee1fc4fbd8c0c90263b8f6f2e2025-02-03T06:01:21ZengWileyJournal of Nanotechnology1687-95031687-95112013-01-01201310.1155/2013/906740906740PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation ReactionsCaroline Pires Ruas0Daiane Kessler Fischer1Marcos Alexandre Gelesky2Laboratory Catalysis and Inorganic Synthesis, School of Chemistry and Food, Federal University of Rio Grande, Avenue Itália, Km 08, 96201-900 Rio Grande, RS, BrazilLaboratory Catalysis and Inorganic Synthesis, School of Chemistry and Food, Federal University of Rio Grande, Avenue Itália, Km 08, 96201-900 Rio Grande, RS, BrazilLaboratory Catalysis and Inorganic Synthesis, School of Chemistry and Food, Federal University of Rio Grande, Avenue Itália, Km 08, 96201-900 Rio Grande, RS, BrazilPalladium nanoparticles stabilized by poly (N-vinyl-2-pyrrolidone) (PVP) can be synthesized by corresponding Pd(acac)2 (acac = acetylacetonate) as precursor in methanol at 80°C for 2 h followed by reduction with NaBH4 and immobilized onto SiO2 prepared by sol-gel process under acidic conditions (HF or HCl). The PVP/Pd molar ratio is set to 6. The effect of the sol-gel catalyst on the silica morphology and texture and on Pd(0) content was investigated. The catalysts prepared (ca. 2% Pd(0)/SiO2/HF and ca. 0,3% Pd(0)/SiO2/HCl) were characterized by TEM, FAAS, and SEM-EDS. Palladium nanoparticles supported in silica with a size 6.6 ± 1.4 nm were obtained. The catalytic activity was tested in hydrogenation of alkenes.http://dx.doi.org/10.1155/2013/906740 |
| spellingShingle | Caroline Pires Ruas Daiane Kessler Fischer Marcos Alexandre Gelesky PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions Journal of Nanotechnology |
| title | PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions |
| title_full | PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions |
| title_fullStr | PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions |
| title_full_unstemmed | PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions |
| title_short | PVP-Stabilized Palladium Nanoparticles in Silica as Effective Catalysts for Hydrogenation Reactions |
| title_sort | pvp stabilized palladium nanoparticles in silica as effective catalysts for hydrogenation reactions |
| url | http://dx.doi.org/10.1155/2013/906740 |
| work_keys_str_mv | AT carolinepiresruas pvpstabilizedpalladiumnanoparticlesinsilicaaseffectivecatalystsforhydrogenationreactions AT daianekesslerfischer pvpstabilizedpalladiumnanoparticlesinsilicaaseffectivecatalystsforhydrogenationreactions AT marcosalexandregelesky pvpstabilizedpalladiumnanoparticlesinsilicaaseffectivecatalystsforhydrogenationreactions |