SCIENCE

By

Kui Shen, Lei Zhang, Xiaodong Chen, Lingmei Liu, Daliang, Yu, Junying, Jilan Long, Rafael Luque, Yingwei Li, and Banglin Chen

Published

12 January 2018

Abstract

We constructed highly oriented and ordered macropores within metal-organic framework (MOF) single crystals, opening up the area of three-dimensional-ordered macro-microporous materials (that is, materials containing both macro-and micropores) in single-crystalline form. Our methodology relies on the strong shaping effects of a polystyrene nanosphere monolith template and a double-solvent-induced heterogeneous nucleation approach. This process synergistically enabled the in situ growth of MOFs within ordered voids, rendering a single crystal with oriented and ordered macro-microporous structure. The improved mass diffusion properties of such hierarchical frameworks, together with their robust single-crystalline nature, endow them with superior catalytic activity and recyclability for bulky-molecule reactions, as compared with conventional, polycrystalline hollow, and disordered macroporous ZIF-8.

Full Text Link

https://www.science.org/doi/10.1126/science.aao3403