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Star PolyMOCs with Diverse Structures, Dynamics, and Functions by Three-Component Assembly.


ABSTRACT: We report star polymer metal-organic cage (polyMOC) materials whose structures, mechanical properties, functionalities, and dynamics can all be precisely tailored through a simple three-component assembly strategy. The star polyMOC network is composed of tetra-arm star polymers functionalized with ligands on the chain ends, small molecule ligands, and palladium ions; polyMOCs are formed via metal-ligand coordination and thermal annealing. The ratio of small molecule ligands to polymer-bound ligands determines the connectivity of the MOC junctions and the network structure. The use of large M12 L24 MOCs enables great flexibility in tuning this ratio, which provides access to a rich spectrum of material properties including tunable moduli and relaxation dynamics.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC5204178 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Star PolyMOCs with Diverse Structures, Dynamics, and Functions by Three-Component Assembly.

Wang Yufeng Y   Gu Yuwei Y   Keeler Eric G EG   Park Jiwon V JV   Griffin Robert G RG   Johnson Jeremiah A JA  

Angewandte Chemie (International ed. in English) 20161205 1


We report star polymer metal-organic cage (polyMOC) materials whose structures, mechanical properties, functionalities, and dynamics can all be precisely tailored through a simple three-component assembly strategy. The star polyMOC network is composed of tetra-arm star polymers functionalized with ligands on the chain ends, small molecule ligands, and palladium ions; polyMOCs are formed via metal-ligand coordination and thermal annealing. The ratio of small molecule ligands to polymer-bound liga  ...[more]

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