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Tuning the Selectivity of Single-Site Supported Metal Catalysts with Ionic Liquids
journal contribution
posted on 2017-09-11, 00:00 authored by Melike Babucci, Chia-Yu Fang, Adam S. Hoffman, Simon R. Bare, Bruce C. Gates, Alper Uzun1,3-Dialkylimidazolium ionic liquid
coatings act as electron donors,
increasing the selectivity for partial hydrogenation of 1,3-butadiene
catalyzed by iridium complexes supported on high-surface-area γ-Al2O3. High-energy-resolution fluorescence detection
X-ray absorption near-edge structure (HERFD XANES) measurements quantify
the electron donation and are correlated with the catalytic activity
and selectivity. The results demonstrate broad opportunities to tune
electronic environments and catalytic properties of atomically dispersed
supported metal catalysts.
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Metal CatalystsTuningDialkylimidazoliumelectron donationbutadienemetal catalystsselectivitymeasurementcoatings acthydrogenationhigh-surface-area γ- Al 2 O 3Single-SiteIoniciridium complexeselectron donorsHigh-energy-resolution fluorescence detection X-ray absorption near-edge structureSelectivityatomicallyopportunityHERFD XANES
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