The present disclosure provides (block co-polymer)-(metal organic framework) conjugates (BCPMOFs), such as (block co-polymer)-(metal organic nanostructure) conjugates (BCPMONs), and thermoplastic elastomers, gels, and compositions thereof. Exemplary BCPMONs include (block co-polymer)-(metal organic cage) conjugates (BCPMOCs), (block co-polymer)-(metal organic paddlewheel) conjugates, and (block co-polymer)-(metal organic square) conjugates, such as BCPMONs of Formula (A), (B), or (C). Also described herein are macromonomers for preparing the BCPMONs； thermoplastic elastomers, gels, and compositions involving the BCPMONs； methods of preparing the BCPMONs, thermoplastic elastomers, gels, and compositions； and methods of using the BCPMONs, thermoplastic elastomers, gels, and compositions.
