Nanoporous N-doped Carbon/ZnO hybrid derived from zinc aspartate: An acid-base bifunctional catalyst for efficient fixation of carbon dioxide into cyclic carbonates

A nanoporous N-doped carbon/ZnO hybrid material (Zn-Asp-300) is facilely prepared by direct thermolysis of zinc aspartate precursor, which could be used as effective catalyst for the cycloaddition reaction of CO2 and epoxides in the presence of tetrabutylammonium bromide (TBAB) as co-catalyst. At temperature 80 °C and CO2 pressure 1.0 MPa, Zn-Asp-300 demonstrates good catalytic activity for various epoxides as substrates, gives up to 96.7% of...