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The redox behavior of copper-based catalysts plays a prominent role in several important chemical processes. So far relatively little is known about how this behavior is affected by the medium (liquid or gas phase) in which the copper particles are immersed. In this study, we have investigated the redox properties of copper nanoparticles supported on Al 2 O 3 , TiO 2 and SiO...
A combination of in situ attenuated total reflection infrared (ATR-IR) spectroscopy and X-ray absorption spectroscopy (XAS) was applied to study the effect of Bi on the evolution of surface species and on the structure of a 0.75 wt% Bi–5 wt% Pd/Al 2 O 3 catalyst during liquid-phase aerobic oxidation of benzyl alcohol. To correlate structure and catalytic performance, both spectroscopic...
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