Synthesis of Nitrogen-doped Carbon Supported Cerium Single Atom Catalyst by Ball Milling for Selective Oxidation of Ethylbenzene

Abstract

Through screening Ce precursors and pyrolysis temperatures [Ce(acac)₃ as Ce precursors and pyrolysis at 900 °C], zeolitic imidazolate framework-8(ZIF-8) derived nitrogen-doped carbon supported cerium single atom catalyst(Ce₁/NC) is successfully prepared by ball milling method. The Ce₁/NC catalyst exhibits exceptional catalytic performance in the selective oxidation of saturated C-H bonds in aromatic compounds, e.g., 91% conversion and 99% selelctivity can be achieved in the oxidation of ethylbenzene to acetophenone under mild reaction conditions.

Keywords

Single atom catalyst / Ball milling / ZIF-8 / Ethylbenzene oxidation

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