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Crystal‐Growth‐Dominated Fabrication of Metal–Organic Frameworks with Orderly Distributed Hierarchical Porosity
Author(s) -
Li Hang,
Meng Fanchen,
Zhang Suoying,
Wang Liguang,
Li Matthew,
Ma Lu,
Zhang Weina,
Zhang Wenlei,
Yang Zhuhong,
Wu Tianpin,
Lee Sungsik,
Huo Fengwei,
Lu Jun
Publication year - 2020
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201912972
Subject(s) - porosity , fabrication , materials science , metal organic framework , monomer , crystal growth , chemical engineering , crystal (programming language) , styrene , polymer , diffusion , nanotechnology , mass transfer , chemistry , crystallography , copolymer , organic chemistry , composite material , chromatography , adsorption , computer science , medicine , programming language , alternative medicine , physics , pathology , engineering , thermodynamics
Constructing architectures with hierarchical porosity has been widely considered as the most efficient way to bypass the problems related to slow mass transfer and inaccessibility of internal space in MOFs. Now, a crystal‐growth‐dominated strategy is proposed to fabricate hierarchically porous MOFs (HP‐MOFs). When the crystal growth is dominated by the monomer attachment, the aggregation of nonionic surfactant or polymer can be easily captured and released during the crystal growth process, resulting in the formation and ordering hierarchical pores along the radial direction. Owing to the accelerated mass diffusion and more exposed active sites of this design, HP‐MOFs exhibited an enhanced catalytic efficiency in styrene oxidation.