2007
DOI: 10.2516/ogst:2007009
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Structural and Morphological Characterization of Alumina Supported Pd Nanoparticles Obtained by Colloidal Synthesis

Abstract: Résumé -Caractérisation de la morphologie et de la structure de nanoparticules de Pd issues de synthèses colloïdales supportées sur alumine -Des catalyseurs formés par des nanoparticules de palladium supportées sur alumine ont été synthétisés par voie colloïdale. La caractérisation de la structure et de la morphologie des nanoparticules obtenues est effectuée en deux temps. Nous déterminons dans un premier temps les formes possibles à partir de principes physiques. Des images en microscopie électronique en tra… Show more

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Cited by 11 publications
(9 citation statements)
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“…20 spinels 20 and Pd nanoparticles. 39 In order to compare experimental diagrams and simulated diagrams of boehmite nanoparticles, a program has been developed to generate atomic coordinates of boehmite particles with different morphologies. The crystallographic structure of boehmite has been extensively studied: [40][41][42][43] the unit cell used for the simulation exhibits a Cmcm space group with the following cell parameters: a ) 2.86, b ) 12.21, and c ) 3.69 Å.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…20 spinels 20 and Pd nanoparticles. 39 In order to compare experimental diagrams and simulated diagrams of boehmite nanoparticles, a program has been developed to generate atomic coordinates of boehmite particles with different morphologies. The crystallographic structure of boehmite has been extensively studied: [40][41][42][43] the unit cell used for the simulation exhibits a Cmcm space group with the following cell parameters: a ) 2.86, b ) 12.21, and c ) 3.69 Å.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…This transition belongs to the 4d electrons of palladium, since the noble metals exhibit uorescence through transition of electrons in the band below the Fermi level to holes in the d bands. 34,35 The photoluminescence spectra of Pdg-Al…”
Section: Photoluminescence Spectroscopymentioning
confidence: 99%
“…The detailed synthesis protocol has been described previously, providing extensive high‐resolution transmission electron microscopy and X‐ray diffraction analysis [25,26] . The α‐alumina support has a BET surface area of 10 m 2 /g and a porous volume of 0.54 mL/g.…”
Section: Methodsmentioning
confidence: 99%
“…The detailed synthesis protocol has been described previously, providing extensive high-resolution transmission electron microscopy and X-ray diffraction analysis. [25,26] The αalumina support has a BET surface area of 10 m 2 /g and a porous volume of 0.54 mL/g. Electron transmission microscopy analysis showed a mean palladium particle diameter of 2.4 � 0.7 nm, corresponding to a dispersion of ca.…”
Section: Catalystmentioning
confidence: 99%