A comprehensive review on PIM-1 membranes for enhanced CO2 separation: strategies for CO2 transport enhancement - Shaohan Lian; Jiangxue Fan; Xiangyun Meng; Boyuan Fu; Siqi Zhang; Jing Han; Tianyang Zhao; Yanan Guan; Erhong Duan; Chunfeng Song (Environmental Research, 2026)