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Phys. Rev. Lett. 107, 146103 (2011) [4 pages]

Tuning Hydrophobicity of Platinum by Small Changes in Surface Morphology

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Maria J. T. C. van der Niet, Angela den Dunnen, Marc T. M. Koper, and Ludo B. F. Juurlink*
Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands

Received 14 March 2011; published 30 September 2011

Stepped platinum surfaces can become hydrophobic when they are hydrogenated. Even though the Pt(533) and Pt(553) surfaces have similar geometries, the hydrophobicity on the deuterated surface is surprisingly different: on Pt(533) the surface is hydrophobic with water clustering at steps, whereas the entire surface is wet on Pt(553).

© 2011 American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.107.146103
DOI:
10.1103/PhysRevLett.107.146103
PACS:
68.08.Bc, 68.43.Hn, 82.45.Jn, 82.65.+r

*l.juurlink@chem.leidenuniv.nl

 
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