Research ArticleChemistry

Single molecule–mediated assembly of polyoxometalate single-cluster rings and their three-dimensional superstructures

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Science Advances  26 Jul 2019:
Vol. 5, no. 7, eaax1081
DOI: 10.1126/sciadv.aax1081


The assembly of atomically precise clusters into superstructures has tremendous potential in structural tunability and applications. Here, we report a series of single-cluster nanowires, single-cluster nanorings, and three-dimensional superstructure assemblies built by POM clusters. By stepwise tuning of interactions at molecular levels, the configurations can be varied from single-cluster nanowires to nanorings. A series of single-cluster nanostructures in different configurations can be achieved with up to 15 kinds of POM clusters. The single-cluster nanowires and three-dimensional superstructures perform enhanced activity in the catalytic and electrochemical sensing fields, illustrating the universal functionality of single-cluster assemblies.

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