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231223s2006 xx ||||| 00| ||eng c |
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|a DE-627
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|e rakwb
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|a eng
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|a Díaz-Ayala, Ramonita
|e verfasserin
|4 aut
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|a Palladium nanostructures and nanoparticles from molecular precursors on highly ordered pyrolytic graphite
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|c 2006
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 13.03.2007
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|a Date Revised 19.11.2006
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Nanostructures and nanoparticles of palladium assembled on highly ordered pyrolytic graphite (HOPG) by the adsorption of palladium molecular precursors (MPs), in dichloromethane solutions, have been prepared. Self-assemblies of palladium nanostructures on HOPG were characterized by scanning electron microscopy (SEM), Auger electron spectroscopy (AES), transmission electron microscopy (TEM), and atomic force microscopy (AFM) techniques. In this work, palladium rings had a wide variety of sizes in the nanometer range, and the ring/tube structures were preserved after a reductive process in which palladium metallic nanoparticles were formed. Noncircular structures were observed at HOPG defects and atomic step sites, as well. It is proposed that the observed ring formation of the palladium molecular precursors on HOPG substrates is related to the functional groups in the MPs, van der Waals interactions between particles and between particle-substrate, as well as the wetting properties of the solvent. In the present work, we illustrate several examples of the formation and characterization of palladium complex tubes and the resulting palladium rings, via the reduction process
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|a Journal Article
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|a Fachini, Esteban R
|e verfasserin
|4 aut
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1 |
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|a Raptis, Raphael
|e verfasserin
|4 aut
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| 700 |
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|a Cabrera, Carlos R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 22(2006), 24 vom: 21. Nov., Seite 10185-95
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2006
|g number:24
|g day:21
|g month:11
|g pages:10185-95
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|d 22
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|e 24
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|h 10185-95
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