Dual Exchange in PCN-333: A Facile Strategy to Chemically Robust Mesoporous Chromium Metal-Organic Framework with Functional Groups

Journal of the American Chemical Society
Jihye ParkHong-Cai Zhou

Abstract

A facile preparation of a mesoporous Cr-MOF, PCN-333(Cr) with functional group, has been demonstrated through a dual exchange strategy, involving a sequential ligand exchange and metal metathesis process. After optimization of the exchange system, the functionalized PCN-333(Cr), N3-PCN-333(Cr) shows well maintained crystallinity, porosity, as well as much improved chemical stability. Because of the exceptionally large pores (∼5.5 nm) in PCN-333(Cr), a secondary functional moiety, Zn-TEPP with a size of 18 Å × 18 Å, has been successfully clicked into the framework. In this article, we have also analyzed kinetics and thermodynamics during dual exchange process, showing our attempts to interpret the exchange event in the PCN-333. Our findings not only provide a highly stable mesoporous Cr-MOF platform for expanding MOF-based applications, but also suggest a route to functionalized Cr-MOF which may have not been achievable through conventional approaches.

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Citations

May 10, 2016·Inorganic Chemistry·Xin WuJian Zhang
May 26, 2017·Chemical Reviews·Li ZhuLin-Bing Sun
May 5, 2017·Chemistry : a European Journal·Rupak SahaPartha Sarathi Mukherjee
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Feb 25, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Atsushi FujiwaraMinoru T Miyahara
Jul 11, 2021·Small·Lulu ChaiMaochun Hong
Feb 6, 2020·Journal of the American Chemical Society·Lujia LiuT David Harris
Mar 30, 2017·Accounts of Chemical Research·Mathieu BoschHong-Cai Zhou
Nov 6, 2018·Journal of the American Chemical Society·Chunxia TanYong Cui
May 11, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Christina Tori LollarHong-Cai Zhou
May 16, 2020·Chemical Reviews·Xinlei LiuFreek Kapteijn
Aug 31, 2021·Journal of the American Chemical Society·Guan-Yu QiaoJihong Yu

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