Advances in the research of coordination polymers based on tetrathiafulvalene derivatives
In the past fifteen years,coordination polymers(CPs)constructed from ligands based on tetrathiafulvalene derivatives(such as carboxylate,amino,or pyridine groups)have developed rapidly through coordination assembly with metal ions or clusters,resulting in a variety of topological structures and distinct properties.Their excellent structural designability has led to a wide range of applications in numerous research fields.In particular,the TTF fragment within these ligands possesses strong electron-donating capabilities and good redox activity.Notably,the introduction of substituents at the C=C position on the pentagonal ring external to the TTF core can alter its electronic state,enabling the formation of coordination polymers with conductivity,gas adsorption,photoelectric,and magnetic functions.This review is organized according to the type of coordinating functional group and presents an overview of the significant advancements in this field in recent years,including the types of ligands used,the variety of metal centers and their coordination geometries and coordination numbers,material synthesis,structure,and applications.Furthermore,this article offers a perspective on the challenges and opportunities for future development in this area.
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