Citation: Zong-Chun Gao, Cheng-Peng Wei, Yi-Fei Han, Ming Yuan, Xu-Zhou Yan, Feng Wang. Near-Infrared-Emissive Self-assembled Polymers via the Implementation of Molecular Tweezer/Guest Complexation on a Supramolecular Coordination Complex Platform[J]. Chinese Journal of Polymer Science, ;2018, 36(3): 399-405. doi: 10.1007/s10118-018-2090-2 shu

Near-Infrared-Emissive Self-assembled Polymers via the Implementation of Molecular Tweezer/Guest Complexation on a Supramolecular Coordination Complex Platform

Zong-Chun Gao ^a ,
Cheng-Peng Wei ^a ,
Yi-Fei Han ^a ,
Ming Yuan ^a,c ,
Xu-Zhou Yan ^b,, ,
Feng Wang ^a,,

a.
Chinese Academy of Sciences Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
b.
Department of Chemical Engineering, Stanford University, California 94305, United States
c.
Faculty of Pharmaceutical Engineering, Bengbu Medical College, Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China

Corresponding author: Xu-Zhou Yan, xzyan@stanford.edu Feng Wang, drfwang@ustc.edu.cn
Received Date: 1 October 2017
Accepted Date: 10 November 2017
Available Online: 15 December 2017

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.
- Supramolecular chemistry,
- Metal-Ligand coordination,
- Molecular tweezer,
- Pt(Ⅱ)-Pt(Ⅱ) interactions,
- Near-InfraredEmission
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