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Journal Article

Platinum Black by XPS

MPS-Authors
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Muhler,  Martin
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Paál, Z., Muhler, M., & Schlögl, R. (1996). Platinum Black by XPS. Surface Science Spectra, 4(2), 119-124. doi:10.1116/1.1247817.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-202F-1
Abstract
XPS spectra of Pt black in the as received state showed O and C impurities along with Pt. An in situ treatment by O2 and H2 increased Pt intensity and removed a part of oxygen and carbon impurities. The quasihomogeneous model was used for quantitative evaluation applying atomic sensitivity factors published in the literature (Ref. 1). Decomposition of the O 1s region indicated the presence of adsorbed O, OH, and H2O as well as CO and CO species, whereas the C 1s region could be decomposed to give Pt–C, graphite, CxHy polymer, and oxidized C entities