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Enhanced activity of Pt foil model catalysts thermally treated under UHV conditions (1996)

Nishiyama, Satoru ; Akemoto, Masahiro ; Tsuruya, Shigeru ; [et al.]

Springer

Reaction kinetics and catalysis letters 59 (1996), S. 3-8

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ISSN: 1588-2837

Keywords: Catalysis ; ultrahigh vacuum ; surface roughening ; morphology ; platinum ; surface defects

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract The thermal treatment of Pt foil model catalysts under UHV conditions leads to an enhanced activity for H2-D2 exchange. For the enhanced activity, the UHV atmosphere, a temperature of 1073 K and a Cl-impurity are essential. This was identical with the surface roughening behavior of Pt foils upon the UHV treament reported previously (Ref. [7]). These results indicate that the UHV treatment brought about a roughening of the surface and the rough surface resulted in an enhanced activity.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02067984

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