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- Title
A Solvent-Free Hot-Pressing Method for Preparing Metal-Organic-Framework Coatings.
- Authors
Chen, Yifa; Li, Siqing; Pei, Xiaokun; Zhou, Junwen; Feng, Xiao; Zhang, Shenghan; Cheng, Yuanyuan; Li, Haiwei; Han, Ruodan; Wang, Bo
- Abstract
Metal-organic frameworks (MOFs), with their well-defined pores and rich structural diversity and functionality, have drawn a great deal of attention from across the scientific community. However, industrial applications are hampered by their intrinsic fragility and poor processability. Stable and resilient MOF devices with tunable flexibility are highly desirable. Herein, we present a solvent- and binder-free approach for producing stable MOF coatings by a unique hot-pressing (HoP) method, in which temperature and pressure are applied simultaneously to facilitate the rapid growth of MOF nanocrystals onto desired substrates. This strategy was proven to be applicable to carboxylate-based, imidazolate-based, and mixed-metal MOFs. We further successfully obtained superhydrophobic and 'Janus' MOF films through layer-by-layer pressing. This HoP method can be scaled up in the form of roll-to-roll production and may push MOFs into unexplored industrial applications.
- Subjects
METAL-organic frameworks; SURFACE coatings; HOT pressing; NANOCRYSTALS; CARBOXYLATES
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 10, p3419
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201511063