Over the past three decades, crystalline porous materials, such as metal-organic frameworks (MOFs) and covalent organic frameworks, have emerged as an exciting research frontier of chemistry and materials science1,2. The resulting intrinsic porosity and high surface area are of interest for a range of applications, including gas adsorption and separation, sensing and catalysis. These structures often have a high prevalence of rigid aromatic components and generally form well-crystallized products with few geometric degrees of freedom. But such structures tend to have rigid internal cavities that may be disadvantageous, as recent findings have shown that adaptable (flexible) pore environments have superior guest-to-framework interactions3.
Dan Zhao、Jinqiao Dong
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Department of Chemical & Biomolecular Engineering, National University of Singapore, Queenstown, Singapore
NSTL
