3 years ago

Tuning the Selectivity of Single-Site Supported Metal Catalysts with Ionic Liquids

Tuning the Selectivity of Single-Site Supported Metal Catalysts with Ionic Liquids
Chia-Yu Fang, Adam S. Hoffman, Alper Uzun, Melike Babucci, Simon R. Bare, Bruce C. Gates
1,3-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.

Publisher URL: http://dx.doi.org/10.1021/acscatal.7b02429

DOI: 10.1021/acscatal.7b02429

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