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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004678naa a2200481 4500
001oai:DiVA.org:uu-409781
003SwePub
008200504s2020 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4097812 URI
0247 a https://doi.org/10.1039/c9ta11784a2 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Duchon, Tomasu Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany;Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, Prague 18000, Czech Republic4 aut
2451 0a Establishing structure-sensitivity of ceria reducibility :b real-time observations of surface hydrogen interactions
264 c 2020
264 1b ROYAL SOC CHEMISTRY,c 2020
338 a print2 rdacarrier
520 a The first Layer of atoms on an oxide cataLyst provides the first sites for adsorption of reactants and the Last sites before products or oxygen are desorbed. We employ a unique combination of morphological, structural, and chemical analyses of a model ceria cataLyst with different surface terminations under an H2 environment to unequivocally establish the effect of the Last Layer of atoms on surface reduction. (111) and (100) terminated epitaxiaL isLands of ceria are simultaneously studied in situ allowing for a direct investigation of the structure reducibility relationship under identical conditions. Kinetic rate constants of Ce4+ to Ce3+ transformation and equilibrium concentrations are extracted for both surface terminations. Unlike the kinetic rate constants, which are practically the same for both types of isLands, more pronounced oxygen release, and overall higher reducibility were observed for (100) isLands compared to (111) ones. The findings are in agreement with coordination -Limited oxygen vacancy formation energies calculated by density functional theory. The results point out the important aspect of surface terminations in redox processes, with particular impact on the catalytic reactions of a variety of catalysts.
650 7a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng
650 7a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng
7001 a Hackl, Johannau Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 aut
7001 a Mueller, David N.u Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 aut
7001 a Kullgren, Jolla,d 1978-u Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)jolku587
7001 a Du, Douu Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)doudu472
7001 a Senanayake, Sanjaya D.u Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA4 aut
7001 a Mouls, Carolineu Uppsala universitet,Institutionen för kemi - Ångström,Lab Nacl Luz Sincrotron, BR-13083 Campinas, SP, Brazil4 aut
7001 a Gottlob, Daniel M.u Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 aut
7001 a Khan, Muhammad I.u Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 aut
7001 a Cramm, Stefanu Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 aut
7001 a Veltruska, Katerinau Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, Prague 18000, Czech Republic4 aut
7001 a Matolin, Vladimiru Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, Prague 18000, Czech Republic4 aut
7001 a Nemsak, Slavomiru Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany;Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA4 aut
7001 a Schneider, Claus M.u Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany;Univ Calif Davis, Dept Phys, Davis, CA 95616 USA4 aut
7102 a Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany;Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, Prague 18000, Czech Republicb Forschungszentrum Julich, Peter Grunberg Inst 6, D-52425 Julich, Germany4 org
7730 t Journal of Materials Chemistry Ad : ROYAL SOC CHEMISTRYg 8:11, s. 5501-5507q 8:11<5501-5507x 2050-7488x 2050-7496
8564 u https://escholarship.org/content/qt98h7k5x2/qt98h7k5x2.pdf?t=qr8si5
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-409781
8564 8u https://doi.org/10.1039/c9ta11784a

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