Journal
ADVANCED MATERIALS
Volume 32, Issue 10, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201906653
Keywords
nanosheets; ordered mesoporous materials; single layers
Categories
Funding
- NSF of China [51372041, 51422202, 2173300, 21673048]
- Key Basic Research Program of Science and Technology Commission of Shanghai Municipality [17JC1400100]
- State Key Laboratory of Transducer Technology of China [SKT1904]
- National Key R&D Program of China [2018YFA0209401, 2017YFA0207303]
- National Youth Topnotch Talent Support Program of China
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The advantages of existing ordered mesoporous materials have not yet been fully realized, due to their limited accessibility of in-pore surface and long mass-diffusion length. A general, controllable, and scalable synthesis of a family of two-dimensional (2D) single-layer ordered mesoporous materials (SOMMs) with completely exposed mesopore channels, significantly improved mass diffusion, and diverse framework composition is reported here. The SOMMs are synthesized via a surface-limited cooperative assembly (SLCA) on water-removable substrates of inorganic salts (e.g., NaCl), combined with vacuum filtration. As a proof of concept, the obtained CeO2-based SOMMs show superior catalytic performance in CO oxidation with high conversion efficiency, approximate to 33 times higher than that of conventional bulk mesoporous CeO2. This SLCA is a promising approach for developing next-generation porous materials for various applications.
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