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Metallogels Self‐Assembled from Linear Rod‐Like Platinum Complexes: Influence of the Linkage
Authors:Mingming Chen  Chengsha Wei  Xibo Wu  Majid Khan  Dr Ningdong Huang  Prof?Dr Guobin Zhang  Prof?Dr Liangbin Li
Institution:1. National Synchrotron Radiation Lab and College of Nuclear Science and Technology, University of Science and Technology of China, No. 96, JinZhai Road, Hefei, Anhui, 230026 (P. R. China), Fax: (+) 86‐551‐5141078;2. CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China (P. R. China)
Abstract:Two linear rod‐like platinum complexes, which only differed in the linkage, were prepared. They both self‐assemble into metallogels in nonpolar solvents; however, a very big contrast was observed. Unexpectedly, a much weaker gel was acquired upon replacing the ester linkage by an amide group. The intermolecular hydrogen bonding offered by the amide motif leads to a different stacking fashion and mechanism. The results demonstrated herein contribute to the rational design of metallogels as well as other functional supramolecular materials.
Keywords:metallogels  platinum  self‐assembly  supramolecular polymerization  π  ‐conjugated systems
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