Synthesis of PdO/MCM-41 nanocomposites using trans-[PdCl2(PEt3)2] as the source of metal

Hernández-Pineda, Jessica; Rı́o, José Manuel del; Carreto, Enrique; Terrés, E.; Montoya, J.A.; Zuñiga-González, María de Jesús; Morgado, Jorge

doi:10.1016/j.jallcom.2009.03.023

Cited by 4 publications

(5 citation statements)

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“…3) of all the samples were classified as typical type IV according to IUPAC classification, indicating the formation of mesoporous structures [1]. The presence of a step between p/p 0 = 0.2-0.3 is characteristic of capillary condensation of nitrogen in the hexagonally ordered cylindrical mesopores of MCM-41 type materials [23].…”

Section: Nitrogen Studymentioning

confidence: 99%

“…A new research field focused on the synthesis of ordered mesoporous materials (OMMs) was opened in the 1990s [1], and in 1992 researchers of the Mobil Corporation discovered the M41S family [2]. MCM-41, the most extensively studied member of the M41S family, has attracted worldwide interests as adsorbent, support, catalyst and template of nanostructured materials due to its regular structure, large surface area, and uniform pore size [3,4,5].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Synthesis and characterization of spherical Tb-MCM-41

Pires¹,

Queiroz²,

Souza³

et al. 2010

Journal of Alloys and Compounds

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Section: Nitrogen Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of spherical Tb-MCM-41

Pires¹,

Queiroz²,

Souza³

et al. 2010

Journal of Alloys and Compounds

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“…The X-ray of diffraction of pyrolytic products from precursors 1:1 (1) and 1:5 (2) Chitosan•(PdCl 2 ) n and from 1:1 PS-co-4-PVP•(PdCl 2 ) n (4) shows the main typical PdO peaks, at 33.55°, 41.92° and 54.71° assigned to a reflection planes 101, 110 and 112 planes. Can be indexed as indicating the presence of tetragonal PdO with lattice parameters comparable to that of the JCPDS card (00-043-1024) [9,10]. On the other hand, for the precursors (3), (5) and (6) in addition to the peaks corresponding to PdO the peaks at 40.14°, 46.69° and 68.13° can be assigned to a 111, 200 and 220 of palladium syn.…”

Section: Resultsmentioning

confidence: 85%

OXIDATION FACILITY BY A TEMPERATURE DEPENDENCE ON THE METAL NOBLE NANOSTRUCTURED M°/MxOy PHASE PRODUCTS USING A SOLID STATE METHOD: THE CASE OF Pd

Dı́az

Valenzuela

Rios

et al. 2016

J. Chil. Chem. Soc.

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Pyrolysis at 800°C under air of the macromolecular precursor Chitosan•(PdCl 2 ) n and PS-co-4-PVP•(PdCl 2 ) n in solid state afford the mixture phases Pt/PdO depending on the molar ratio metal /polymer. For the 1:1 Chitosan•(PdCl 2 ) n and PS-co-4-PVP•(PdCl 2 ) n precursors the pure phase PdO was obtained while that for another molar ratios 1:5 and 1:10, the mixture phase Pt/PdO were obtained. For the 1:10 PS-co-4-PVP•(PdCl 2 ) n precursor the core/shell PdO@Pd nanoparticles as small as 4 nm were observed. Optical properties for the PdO indicate an insulator behavior.

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“…Therefore, much attention has been attracted to composites with metal oxide nanoparticles or their mixed oxides loading on the typical mesoporous silica materials recently. For example, Hernández-Pineda et al prepared PdO/MCM-41 nanocomposites containing PdO species that are dispersed on an MCM-41 support using trans-[PdCl 2 (PEt 3 ) 2 ] as the source of metal [21]. Botas et al prepared Fe 2 O 3 /SiO 2 catalysts by immobilization of iron species on SBA-15 [22].…”

Section: Introductionmentioning

confidence: 99%