Photo-Responsive Discrete Nanotubes through Hierarchical Assembly of Silver(I)-Coordinated Nanorings and Cucurbit[10]uril

Here, we demonstrate the design and synthesis of a dynamic tubular nanostructure with photoactive properties through hybrid supramolecular hierarchical assembly. The key to the successful construction of discrete single nanotubes lies in the unique K-shaped viologen-BODIPY-based precursor (<b>V</b>^<b>2+</b><b>-B-Py</b>), which enables geometric sequence control via silver(I) linear coordination and cucurbit[10]uril-mediated host-guest interactions in aqueous solution. Notably, the resulting nanotubes exhibit dynamic assembly behavior and enhanced photocatalytic activity in aqueous solution due to the photosensitivity of BODIPY within the rigid nanotube framework. This study provide new insights into the fabrication of dynamic functional nanotubes based on metal coordination and macrocycle-driven host-guest assemblies.