Development of the Method to Synthesize Covalent Organic Framework (COF) Films Using Alternating Deposition Polymerization and Evaluation of Their CO₂ Separation Performance

Abstract

Covalent organic framework (COF) films were synthesized from the vapor phase. The films annealed at 400 ℃ had a pore network structure with a diameter of 2.9 ～ 3.5 nm. Experimental and numerical analysis show that the COF was more permeable to CO₂ than N₂ due to its greater affinity for CO₂ compared to N₂