Synthesis of Imidazolium-Functionalized COFs and Their Catalytic Performance in Cycloaddition of CO₂ with Propylene Oxide to Propylene Carbonate

Key Points

• The study aims to develop and evaluate a new heterogeneous catalyst for the conversion of CO₂ into propylene carbonate.
• Synthesis of a novel covalent organic framework (COFs)
• Modification with imidazole-based ionic liquids (ILs)
• Characterization through various analytical techniques
• The imidazolium-functionalized COFs showed improved catalytic activity
• Significant conversion rates of CO₂ to propylene carbonate were achieved
• Enhanced stability of the catalyst during the reaction