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• W2030470124 abstract "Using in situ high-pressure x-ray photoelectron spectroscopy, we have followed the oxidation and the reduction of Pd model catalysts in oxygen and CO pressures in the millibar range. The study includes a Pd(100) single crystal as well as SiO${}_{x}$-supported Pd nanoparticles of 15 or 35 nm diameter, respectively. We demonstrate that nanoparticles also form ultrathin surface oxides prior to the onset of the bulk PdO. The Pd nanoparticles are observed to bulk oxidize at sample temperatures 40 degrees lower than the single-crystal surface. In the Pd $3{d}_{5/2}$ and the O $1s$ spectrum, we identify a component corresponding to undercoordinated atoms at the surface of the PdO oxide. The experimentally observed PdO core-level shift is supported by density functional theory calculations. In a CO atmosphere, the Pd $3{d}_{5/2}$ component corresponding to undercoordinated PdO atoms is shifted by $+$ 0.55 eV with respect to PdO bulk, demonstrating that CO molecules preferably adsorb at these sites. CO coordinated to Pd atoms in the metallic and the oxidized phases can also be distinguished in the C $1s$ spectrum. The initial reduction by CO is similar for the single-crystal and the nanoparticle samples, but after the complete removal of the oxide we detect a significant deviation between the two systems, namely that the nanoparticles incorporate carbon to form a Pd carbide. Our results indicate that CO can dissociate on the nanoparticle samples, whereas no such behavior is observed for the Pd(100) single crystal. These results demonstrate the similarities, as well as the important differences, between the single crystals used as model systems for catalysis and nm-sized particles on oxide supports." @default.
• W2030470124 created "2016-06-24" @default.
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• W2030470124 date "2011-03-23" @default.
• W2030470124 modified "2023-10-17" @default.
• W2030470124 title "Oxidation and reduction of Pd(100) and aerosol-deposited Pd nanoparticles" @default.
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• W2030470124 cites W1975392927 @default.
• W2030470124 cites W1976669990 @default.
• W2030470124 cites W1977802928 @default.
• W2030470124 cites W1978597391 @default.
• W2030470124 cites W1980929676 @default.
• W2030470124 cites W1981368803 @default.
• W2030470124 cites W1983582801 @default.
• W2030470124 cites W1985272159 @default.
• W2030470124 cites W1991964230 @default.
• W2030470124 cites W1993125155 @default.
• W2030470124 cites W1993357810 @default.
• W2030470124 cites W1996832569 @default.
• W2030470124 cites W2001934209 @default.
• W2030470124 cites W2001952735 @default.
• W2030470124 cites W2005666478 @default.
• W2030470124 cites W2015345033 @default.
• W2030470124 cites W2015664330 @default.
• W2030470124 cites W2017912067 @default.
• W2030470124 cites W2017930366 @default.
• W2030470124 cites W2019817829 @default.
• W2030470124 cites W2025613462 @default.
• W2030470124 cites W2025822569 @default.
• W2030470124 cites W2031049521 @default.
• W2030470124 cites W2032691156 @default.
• W2030470124 cites W2035854716 @default.
• W2030470124 cites W2037424349 @default.
• W2030470124 cites W2039082537 @default.
• W2030470124 cites W2040906876 @default.
• W2030470124 cites W2041271065 @default.
• W2030470124 cites W2043656512 @default.
• W2030470124 cites W2043979922 @default.
• W2030470124 cites W2044791680 @default.
• W2030470124 cites W2046270671 @default.
• W2030470124 cites W2046698511 @default.
• W2030470124 cites W2048290983 @default.
• W2030470124 cites W2053319020 @default.
• W2030470124 cites W2053930414 @default.
• W2030470124 cites W2055597960 @default.
• W2030470124 cites W2061210387 @default.
• W2030470124 cites W2063242870 @default.
• W2030470124 cites W2065496284 @default.
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• W2030470124 cites W2072420866 @default.
• W2030470124 cites W2074347425 @default.
• W2030470124 cites W2075886920 @default.
• W2030470124 cites W2078492279 @default.
• W2030470124 cites W2084882934 @default.
• W2030470124 cites W2087585288 @default.
• W2030470124 cites W2093743878 @default.
• W2030470124 cites W2094087106 @default.
• W2030470124 cites W2097111373 @default.
• W2030470124 cites W2098045032 @default.
• W2030470124 cites W2110717760 @default.
• W2030470124 cites W2124108446 @default.
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• W2030470124 doi "https://doi.org/10.1103/physrevb.83.115440" @default.
• W2030470124 hasPublicationYear "2011" @default.
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