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Lookup NU author(s): Dr Shayan SeyedinORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Downsizing metal–organic framework (MOF) crystals into the nanoregime offers a promising approach to further benefit from their inherent versatile pore structures and surface reactivity. In this article, downsizing is referred to as the deliberate production of typical large MOF crystals into their nanosized versions. Here, we discuss various strategies towards the formation of crystals below 100 nm and their impact on the nano-MOF crystal properties. Strategies include an adjustment of the synthesis parameters (e.g., time, temperature, and heating rate), surface modification, ligand modulation, control of solvation during crystal growth and physical grinding methods. These approaches, which are categorized into bottom-up and top-down methods, are also critically discussed and linked to the kinetics of MOF formation as well as to the homogeneity of their size distribution and crystallinity. This collection of downsizing routes allows one to tailor features of MOFs, such as the morphology, size distribution, and pore accessibility, for a particular application. This review provides an outlook on the enhanced performance of downsized MOFs along with their potential use for both existing and novel applications in a variety of disciplines, such as medical, energy, and agricultural research.
Author(s): Usman KAS, Maina JW, Seyedin S, Conato MT, Payawan LM, Dumée LF, Razal JM
Publication type: Article
Publication status: Published
Journal: NPG Asia Materials
Year: 2020
Volume: 12
Online publication date: 04/09/2020
Acceptance date: 21/06/2020
Date deposited: 19/10/2020
ISSN (print): 1884-4049
ISSN (electronic): 1884-4057
Publisher: Nature Japan KK
URL: https://doi.org/10.1038/s41427-020-00240-5
DOI: 10.1038/s41427-020-00240-5
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