Abstract
Coordination-driven self-assembly strategy has demonstrated the efficiency and versatility to construct well-ordered supramolecular coordination complexes (SCCs) such as discrete metallacycles and metallacages. In recent years, it has aroused tremendous interest to build more complexed self-assembled structures via the implementation of additional non-covalent recognition motifs on the SCCs platform. In this work, we have successfully attained this objective, with the elaborate manipulation of non-interfering pyridine-Pt2+ and molecular tweezer/guest complexation in a hierarchical self-assembly manner. The resulting SCCs-based linear supramolecular polymers exhibit intriguing NIR-emissive behaviors, primarily attributed to the presence of intermolecular Pt(II)-Pt(II) metal-metal interactions in the non-covalent tweezering structure. Hence, supramolecular engineering of multiple non-covalent interactions offers a feasible avenue toward functional materials with tailored properties.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (No. 21674106), the Fundamental Research Funds for the Central Universities (No. WK3450000001), and CAS Youth Innovation Promotion Association (No. 2015365).
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Invited paper for special issue of “Supramolecular Self-Assembly”
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Near-Infrared-Emissive Self-assembled Polymers via the Implementation of Molecular Tweezer/Guest Complexation on a Supramolecular Coordination Complex Platform
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Gao, ZC., Wei, CP., Han, YF. et al. Near-Infrared-Emissive Self-assembled Polymers via the Implementation of Molecular Tweezer/Guest Complexation on a Supramolecular Coordination Complex Platform. Chin J Polym Sci 36, 399–405 (2018). https://doi.org/10.1007/s10118-018-2090-2
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DOI: https://doi.org/10.1007/s10118-018-2090-2