Highly dispersed copper (oxide) nanoparticles ...
Type de document :
Article dans une revue scientifique
DOI :
URL permanente :
Titre :
Highly dispersed copper (oxide) nanoparticles prepared on SBA-15 partially occluded with the P123 surfactant: toward the design of active hydrogenation catalysts
Auteur(s) :
Dragoi, Brindusa [Auteur]
Mazilu, Irina [Auteur]
Chirieac, Alexandru [Auteur]
Ciotonea, Carmen [Auteur]
Ungureanu, Adrian [Auteur]
Marceau, Eric [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Dumitriu, Emil [Auteur]
Royer, sebastien [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Mazilu, Irina [Auteur]
Chirieac, Alexandru [Auteur]
Ciotonea, Carmen [Auteur]
Ungureanu, Adrian [Auteur]
Marceau, Eric [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Dumitriu, Emil [Auteur]
Royer, sebastien [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Titre de la revue :
Catalysis Science & Technology
Numéro :
7
Pagination :
5376-5385
Date de publication :
2017-07-24
Discipline(s) HAL :
Chimie/Catalyse
Résumé en anglais : [en]
Copper (oxide) nanoparticles with dispersion and size ranging from highly dispersed nanoparticles confined within the intra-wall pores to nanoparticles confined within the main mesopores can be simply produced via incipient ...
Lire la suite >Copper (oxide) nanoparticles with dispersion and size ranging from highly dispersed nanoparticles confined within the intra-wall pores to nanoparticles confined within the main mesopores can be simply produced via incipient wetness impregnation by using mesoporous silica supports containing the structure directing agent P123 partially occluding the intra-wall pores of SBA-15. Remarkably high copper dispersions of 69.5 down to 25.9% for metal loadings from 5 to 20 wt% were achieved as a result of the dual effect of the presence of surface silanol groups and the unique confining space between the silica walls and residual P123 in the intra-wall pores. The copper catalysts demonstrated outstanding activities in the hydrogenation of cinnamaldehyde, with TOF values ranging from 5.1 × 10−3 to 22.1 × 10−3 s−1, which are much higher than those of other supported copper catalysts reported elsewhere and prepared using conventional approaches.Lire moins >
Lire la suite >Copper (oxide) nanoparticles with dispersion and size ranging from highly dispersed nanoparticles confined within the intra-wall pores to nanoparticles confined within the main mesopores can be simply produced via incipient wetness impregnation by using mesoporous silica supports containing the structure directing agent P123 partially occluding the intra-wall pores of SBA-15. Remarkably high copper dispersions of 69.5 down to 25.9% for metal loadings from 5 to 20 wt% were achieved as a result of the dual effect of the presence of surface silanol groups and the unique confining space between the silica walls and residual P123 in the intra-wall pores. The copper catalysts demonstrated outstanding activities in the hydrogenation of cinnamaldehyde, with TOF values ranging from 5.1 × 10−3 to 22.1 × 10−3 s−1, which are much higher than those of other supported copper catalysts reported elsewhere and prepared using conventional approaches.Lire moins >
Langue :
Anglais
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
ENSCL
CNRS
Centrale Lille
Univ. Artois
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Université de Lille
Collections :
Équipe(s) de recherche :
Matériaux pour la catalyse (MATCAT)
Date de dépôt :
2019-09-25T14:06:30Z