mimic the responsiveness of biological systems to multiple triggers is highly desirable and
challenging. Herein, we engineer such a system by physically locking catalytically active
metal clusters (MCs) inside individual cationic molecular organic cages (I-Cages), where the
responsive and task-specific counteranions of I-Cages impart MCs with a programmable
gating effect. This allows for precise spatial and temporal control over chemical reactions by …