Multivariate Porous Platform Based on Metal-Organic Polyhedra with Controllable Functionality Assembly

Dongsik Nam, Jiyeon Kim, Eunhye Hwang, Hyein Jeong, T. Kwon, Wonyoung Choe
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引用次数: 10

Abstract

Summary The chemical environment of pores is important for various applications of porous solids. Thanks to reticular chemistry, metal-organic frameworks (MOFs) have become a versatile platform targeting numerous applications through multiple functionalizations. Although multivariate MOFs often display novel properties, identifying and manipulating pore types remain a daunting challenge. Here, we present an isoreticular series of Zr-based metal-organic polyhedra (MOPs) as a porous platform to achieve controllable intrinsic pores. Two multivariate synthetic approaches were demonstrated: a mixed-cage strategy, whereby functionalized cages are mixed, compared with the conventional mixed-linker strategy, which yields a random distribution of functionalities. A remarkable difference in functionality assembly was achieved between the strategies, with complexity increasing from binary to senary systems. More interestingly, distinct photophysical properties were observed between mixed-linker and mixed-cage samples and attributed to radiative decay kinetics. This study highlights the potential of MOPs as a unique multivariate platform with tunable component assembly to study the emerging properties of multivariate porous solids.
基于金属-有机多面体可控功能装配的多元多孔平台
孔隙的化学环境对多孔固体的各种应用具有重要意义。由于网状化学的发展,金属有机框架(mof)已经成为一种多功能平台,通过多种功能化可以实现多种应用。尽管多变量mof经常显示出新的特性,但识别和操纵孔隙类型仍然是一个艰巨的挑战。在这里,我们提出了一个等正交系列的锆基金属有机多面体(MOPs)作为多孔平台来实现可控的固有孔隙。演示了两种多元综合方法:混合笼策略,其中功能化笼是混合的,与传统的混合连接策略相比,后者产生功能的随机分布。从二进制系统到二进制系统,随着复杂性的增加,两种策略之间的功能组装存在显著差异。更有趣的是,在混合连接剂和混合笼样品之间观察到不同的光物理性质,并归因于辐射衰变动力学。这项研究强调了MOPs作为一个独特的多元平台的潜力,它具有可调的组件组件,可以研究多元多孔固体的新特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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