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Kitiphatpiboon N, Chen M, Li X, Liu C, Li S, Wang J, Peng S, Abudula A, Guan G. Heterointerface engineering of Ni3S2@NiCo-LDH core-shell structure for efficient oxygen evolution reaction under intermittent conditions. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Dorst AC, Güthoff F, Schauermann D, Wodtke AM, Killelea DR, Schäfer T. Velocity map images of desorbing oxygen from sub-surface states of Rh(111). Phys Chem Chem Phys 2022; 24:26421-26427. [PMID: 36155603 DOI: 10.1039/d2cp03369k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We combine velocity map imaging (VMI) with temperature-programmed desorption (TPD) experiments to record the angular-resolved velocity distributions of recombinatively-desorbing oxygen from Rh(111). We assign the velocity distributions to desorption from specific surface and sub-surface states by matching the recorded distributions to the desorption temperature. These results provide insight into the recombinative desorption mechanisms and the availability of oxygen for surface-catalyzed reactions.
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Affiliation(s)
- Arved C Dorst
- Georg-August-Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Germany. .,Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen, Germany
| | - Friedrich Güthoff
- Georg-August-Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Germany. .,Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen, Germany
| | - Daniel Schauermann
- Georg-August-Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Germany. .,Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen, Germany
| | - Alec M Wodtke
- Georg-August-Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Germany. .,Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen, Germany
| | - Daniel R Killelea
- Department of Chemistry & Biochemistry, Loyola University Chicago, 1068 W. Sheridan Rd., Chicago, IL 60660, USA
| | - Tim Schäfer
- Georg-August-Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Germany. .,Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen, Germany
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Hua M, Tian X, Li S, Shao A, Lin X. Theoretical design of platinum-sliver single atom alloy catalyst with CO adsorbate-induced surface structures. Phys Chem Chem Phys 2022; 24:19488-19501. [DOI: 10.1039/d2cp02107b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, by combining density functional theory calculations and Monte Carlo simulations with cluster expansion Hamiltonian methods, we investigate the surface aggregation of Pt atoms on the Pt/Ag(111) surface...
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