Shackling Effect Induced Property Differences in Metallo-Supramolecular Polymers
2017
Li, Zhikai | Gu, Jiali | Qi, Shengli | Wu, Dezhen | Gao, Lingfeng | Chen, Ze | Guo, Jun | Li, Xiaohong | Wang, Yong | Yang, Xiaoming | Tu, Yingfeng
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.
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