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The kinetics of CO oxidation on Pt(111) modified with submonolayer copper adlayers were studied using mass spectrometry (MS) and photoemission electron microscopy (PEEM). The submonolayer 2D copper adlayers were formed on approximately half of the Pt(111) crystal, by evaporating copper through a mask. More precisely, the article deals with the modifications of the hysteresis in the reaction rate compared...
The catalytic oxidation of carbon monoxide is studied in situ by means of reaction-rate measurements on a macroscopic scale and photoelectron emission microscopy (PEEM) on a mesoscopic scale on a Pt(111) single-crystal surface partially modified by evaporated Cu. By using a special preparation technique it is possible to cover selectively certain parts of the Pt(111) surface with copper, thus enabling...
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