摘要
在过去的十五年中,基于四硫富瓦烯衍生物配体(如羧酸基、氨基或吡啶基)可灵活地与金属离子或者簇通过配位组装构建出具有多种拓扑结构和不同性质的配位聚合物而得到快速发展,其优异的结构可设计性使其广泛应用于多种研究领域.尤其是该类配体中的四硫富瓦烯(TTF)片段具有强的给电子能力、良好的氧化还原活性.特别是,在TTF核心的五元环外端的C=C位置引入取代基后,可以改变其电子状态,使其成为具有导电性、气体吸附性、光电和磁性等功能的配位聚合物材料.本文将依据配位功能团类型的不同进行分类,从该类配位聚合物的配体种类、金属中心种类及配位构型与配位数、材料合成、结构及应用等方面对近些年来该领域的重要研究进展进行综述,并对其未来发展的挑战和机遇进行展望.
Abstract
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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