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Shackling Effect Induced Property Differences in Metallo-Supramolecular Polymers

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posted on 06.10.2017, 00:00 by Zhikai Li, Jiali Gu, Shengli Qi, Dezhen Wu, Lingfeng Gao, Ze Chen, Jun Guo, Xiaohong Li, Yong Wang, Xiaoming Yang, Yingfeng Tu
We demonstrate here the synthesis of a novel class of metallo-supramolecular polymers with shackled structure, via the coordination of cyclic di­(bis-terpyridine-triphenyl ether ester) ligands with ruthenium­(II) ions. The constraint from the ring topology via the shackling of ligands provides novel properties to these metallo-supramolecular polymers, including the formation of dendritic crystals, red-shift of absorption bands in the UV–vis spectra from interchain charge-transfer transitions, and a typical flash-type memory behavior.