Journal
CHEMICAL SCIENCE
Volume 8, Issue 10, Pages 6799-6803Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7sc02886e
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Funding
- Institute for Basic Science (IBS) [IBS-R007-D1]
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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.
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