Constructing hierarchical porous polyimide/reduced graphene oxide sponge as an oil-water separation material with a balanced performance in thermal stability, elasticity, and oil-adsorption. - Zhang, Zhenyu; Li, Tao; Ning, Xiaohui; Yu, Ping; Sachdeva, Rimika; Bao, Lin; Li, Yan (Composite Interfaces, 2026)