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Listar por autor "El Kadib, Abdelkrim"

Mostrando ítems 1-8 de 8

Isotropic and Oriented Copper Nanoparticles Supported on Graphene as Aniline Guanylation Catalysts

Frindy, Sana; El Kadib, Abdelkrim; Lahcini, Mohamed; Primo Arnau, Ana María; García Gómez, Hermenegildo (American Chemical Society, 2016-06)

Adsorption of copper nanoparticles (NPs) on preformed graphene (G) affords an efficient catalyst for the nucleophilic addition of anilines to N,N'-dialkylcarbodiimides to form the corresponding guanidines. Cu/G exhibits a ...
Nanometer-thick defective graphene films decorated with oriented ruthenium nanoparticles. Higher activity of 101 vs 002 plane for silane- alcohol coupling and hydrogen transfer reduction

Anouar, Aicha; Ramírez-Grau, Rubén; Katir, Nadia; Franconetti, Antonio; El Kadib, Abdelkrim; Primo Arnau, Ana Maria; García Gómez, Hermenegildo (Elsevier, 2022-03)

[EN] Pyrolysis of ammonium alginate films containing Ru(NH3)(6)Cl-3 leads to the formation of Ru nanoparticles (NPs) supported on defective graphene films. The procedure allows controlling the preferential facet orientation ...
Nanosized vanadium, tungsten and molybdenum oxide clusters grown in porous chitosan microspheres as promising hybrid materials for selective alcohol oxidation

El Kadib, Abdelkrim; Primo Arnau, Ana María; Molvinger, Karine; Bousmina, Mosto; Brunel, Daniel (Wiley-VCH Verlag, 2011-07-04)

The ability of chitosan biopolymer to coordinate vanadium, tungsten and molybdenum metallic species and to control their mineralisation growth provides a new family of surface-reactive organic-inorganic hybrid microspheres. ...
Organophosphonate bridged anatase mesocrystals: low temperature crystallization, thermal growth and hydrogen photo-evolution

Brahmi, Younes; Katir, Nadia; Macia Agullo, Juan Antonio; Primo Arnau, Ana María; Bousmina, Mosto; Majoral, JP; García Gómez, Hermenegildo; El Kadib, Abdelkrim (Royal Society of Chemistry, 2015)

The sol-gel co-condensation of organo-phosphonates to titanium alkoxides enables access to novel organic-inorganic hybrids based on phosphonate-bridged titanium dioxide. In this contribution, we bring new perspectives to ...
Palladium Supported on Porous Chitosan-Graphene Oxide Aerogels as Highly Efficient Catalysts for Hydrogen Generation from Formate

Anouar, Aicha; Katir, Nadia; El Kadib, Abdelkrim; Primo Arnau, Ana Maria; García Gómez, Hermenegildo (MDPI AG, 2019-09)

[EN] Adsorption of Pd(NH3)(4)(2+) in preformed chitosan-graphene oxide (CS-GO) beads and their subsequent reduction with NaBH4 afford well-dispersed, high dispersion (similar to 21%) of uniformly sized Pd nanoparticles ...
Pd embedded in chitosan microspheres as tunable soft-materials for Sonogashira cross-coupling in water-ethanol mixture

Frindy, Sana; Primo Arnau, Ana María; Lahcini, Mohamed; Bousmina, Mosto; García Gómez, Hermenegildo; El Kadib, Abdelkrim (Royal Society of Chemistry, 2015)

Easy shaping of chitosan (CS) as porous self-standing nanofibrillar microspheres allows their use as a palladium carrier. Amino-groups on CS enable the modulation of Pd coordination, giving rise to three different ...
Remarkable Activity of 002 Facet of Ruthenium Nanoparticles Grown on Graphene Films on the Photocatalytic CO2 Methanation

Anouar, Aicha; García-Aboal, Rocío; Atienzar Corvillo, Pedro Enrique; Franconetti, Antonio; Katir, Nadia; El Kadib, Abdelkrim; Primo Arnau, Ana Maria; García Gómez, Hermenegildo (Wiley-VCH Verlag GmbH & Co. KGaA, 2022-05)

[EN] In the context of diminishing atmospheric CO2 emissions, there is an urgent need to develop processes that can be carried out at a scale commensurate with appropriate CO2 volumes. One possible reaction is the ...
Shaping MOF oxime oxidation catalysts as three-dimensional porous aerogels through structure-directing growth inside chitosan microspheres

Hammi, Nisrine; Chen, Shuo; Primo Arnau, Ana Maria; Royer, Sebastien; García Gómez, Hermenegildo; El Kadib, Abdelkrim (The Royal Society of Chemistry, 2022-06-06)

[EN] Metal-organic frameworks stand as unique building blocks, bridging the gap between coordination chemistry and materials science. While significant advances have been made in their design, current efforts focus on ...