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Covalent Grafting of Coordination Polymers on Surfaces: The Case of Hybrid Valence Tautomeric Interphases

机译:表面上配位聚合物的共价接枝:杂化价互变异构中间相的情况

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摘要

We have developed a novel approach for grafting coordination polymers, structured as nanoparticles bearing surface reactive carboxylic groups, to amino-functionalized surfaces through a simple carbodiimide-mediated coupling reaction. As a proof-of-concept to validate our approach, and on the quest for novel hybrid interphases with potential technological applications, we have used valence tautomeric nanoparticles exhibiting spin transition at or around room temperature. SEM and AFM characterization reveal that the nanoparticles were organized chiefly into a single monolayer while X-ray photoelectron spectroscopy (XPS) measurements confirm that the nanoparticles retain a temperature-induced electronic redistribution upon surface anchorage. Our results represent an effective approach towards the challenging manufacture of coordination polymers.
机译:我们已经开发出一种新的方法,通过简单的碳二亚胺介导的偶联反应将配位聚合物(结构为带有表面反应性羧基的纳米颗粒)接枝到氨基官能化的表面。作为验证我们方法的概念验证,以及对具有潜在技术应用的新型杂化中间相的追求,我们使用了在室温或室温附近具有自旋转变价的价互变异构纳米粒子。 SEM和AFM表征表明,纳米颗粒主要组织为单个单层,而X射线光电子能谱(XPS)测量证实,纳米颗粒在表面固定后仍保留了温度诱导的电子再分布。我们的结果代表了一种具有挑战性的配位聚合物生产的有效方法。

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