Fig. 3From: Gas Transport Properties of Polybenzimidazole and Poly(Phenylene Oxide) Mixed Matrix Membranes Incorporated with PDA-Functionalised Titanate NanotubesInfrared spectra of PDA-TiNT (a, b), PBI, and PBI-PDA-TiNT MMMs (a) as well as PPO and PPO-PDA-TiNT MMMs (b) with various amount of TiNTBack to article page