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복잡계 자기조립 연구단
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Hollowing out MOFs: Hierarchical micro- and mesoporous MOFs with tailorable porosity via selective acid etching

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Title
Hollowing out MOFs: Hierarchical micro- and mesoporous MOFs with tailorable porosity via selective acid etching
Author(s)
Jaehyoung Koo; In-Chul Hwang; Xiujun Yu; Subhadeep Saha; Yonghwi Kim; Kimoon Kim
Publication Date
2017-10
Journal
Chemical Science, v.8, no.10, pp.6799 - 6803
Publisher
ROYAL SOC CHEMISTRY
Abstract
We report a new strategy for the synthesis of robust hierarchical micro- and mesoporous MOFs from water stable MOFs via a selective acid etching process. The process is controlled by the size-selective diffusion of acid molecules through the MOF windows. This method enables the fine-tuning of the porosity of hierarchical MOFs, allowing for the generation of well-defined mesopores with high mesopore volume. Because of the size-selective diffusion of acid molecules, the inherent crystallinity and external morphology of the resulting MOFs are well-maintained after acid treatment. This novel strategy may provide an alternative route towards the synthesis of diverse hierarchical MOFs. © 2017 The Royal Society of Chemistry
URI
http://pr.ibs.re.kr/handle/8788114/4108
DOI
10.1039/c7sc02886e
ISSN
2041-6520
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > Journal Papers (저널논문)
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