期刊
SMALL STRUCTURES
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/sstr.202200187
关键词
applications; hierarchically porous MOFs; synthetic strategies
资金
- National Natural Science Foundation of China [21706199, 51861135313]
- Rapid Response Bilateral Collaborative Funding of the Sino-German Centre for Research Promotion [C-0046]
- Guangdong Province International Scientific and Technological Cooperation Projects [2020A0505100036]
- National 111 project [B20002]
- Young Top-notch Talent Cultivation Program of Hubei Province
Metal-organic frameworks (MOFs), comprised of metal nodes and organic ligands, have attracted significant interest due to their flexible design and intriguing pore structures. However, the applications of MOFs have been limited by their narrow pore size. Hierarchically porous MOFs (HP-MOFs) have been developed to overcome this limitation by combining micropores with meso-/macropores. This review highlights recent advances in the design and synthesis of HP-MOFs with different types of pores, and discusses their applications in various fields.
Metal-organic frameworks (MOFs), assemblies comprised of metal nodes and organic ligands, have captured the interest of scientists during the past two decades. The flexible approaches developed for the custom design of framework structures and intriguing pore-containing environments formed at the molecular or atomic level have elevated the interest in MOFs to a level that is far beyond those of traditional porous solids (e.g., zeolites, activated carbon). Nevertheless, applications of MOFs, particularly in the process involving large molecules, have been restricted by narrow pore size. To overcome the restriction imposed by the micropores, a great effort has been given to related hierarchically porous MOFs (HP-MOFs), which combine high surface areas of microporous materials with the spaces of meso-/macropores that allow accessibility and diffusivity by large molecules. This review focuses on recent advances and breakthroughs in the design and synthesis of HP-MOFs that contain intrinsic pores, defective pores, and pores based on interparticle accumulation, respectively. In addition, the applications of HP-MOFs in heterogeneous catalysis, water remediation, gas storage and separation, biotechnology, energy storage, and sensing are summarized from the perspective of the relationships between synthetic strategies and applications. Finally, challenging and promising research directions in the field of HP-MOFs are discussed.
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