Fig. 1From: Modified nano magnetic Fe2O3-MgO as a high active multifunctional heterogeneous catalyst for environmentally beneficial carbon–carbon synthesisSchematic diagram of catalysts preparation. The source of this diagram is taken from https://www.nature.com/articles/s41598-023-44881-2/figures/3. The software tools employed to create this diagram were Chemdraw and Paint. The figure was designed by authorsBack to article page