Porous Eu-ox metal–organic framework enabling open-channel carrier transport and durable Pb2+ immobilization in perovskite solar cells - Zhihang Zhang; Xiaolong Cao; Tiantian Lv; Zhengyan He; Haiyan Sun; Hai Zhong; Qi Zhang; Changlin Yao; Wen Li; Shufang Zhang; Meiling Feng (Chemical Engineering Journal, 2026)