文摘
Synthesis of isolated Zn(II) alkyl sites on SiO2 via atomic layer deposition. Single-site nature of Zn(II) alkyl sites was confirmed by spectroscopic measurements (e.g., XAS). Open-shell, tricoordinate ethyl-Zn(II) sites exhibit higher activity. High Zn(II) dispersion produces Zn/SiO2 catalysts with improved activity and stability.