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Quantifying oxygen induced surface enrichment of a dilute PdAu alloy catalyst

机译:量化氧诱导的表面富集稀释PdAu合金催化剂

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摘要

Dilute PdAu alloys are promising catalysts for selective oxidation and hydrogenation reactions. However, the surface composition and active site density of the minority metal, Pd, is unknown. In this study, we quantitatively determine a three-fold increase in the Pd site density on the surface of a dilute Pd0.08Au0.92 alloy catalyst after oxygen activation by titrating the oxidized surface with quantified pulses of CO.
机译:稀释PdAu合金是有前途的催化剂选择性氧化、加氢反应。然而,表面成分和活性部位少数金属的密度,Pd,是未知的。这项研究中,我们定量地确定三倍增加在Pd站点密度稀释Pd0.08Au0.92表面合金催化剂氧活化后氧化滴定表面与量化脉冲有限公司

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