A Universal Lab-on-Salt-Particle Approach to 2D Single-Layer Ordered Mesoporous Materials
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Author(s)
Yang, X
Xie, Y
Liu, H
Zhou, X
Xiao, X
Ren, Y
Ma, Z
Cheng, X
Deng, Y
Zhao, D
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Abstract
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, ≈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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Advanced Materials
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32
Issue
10
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Physical sciences
Chemical sciences
Engineering
nanosheets
ordered mesoporous materials
single layers
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Citation
Liu, L; Yang, X; Xie, Y; Liu, H; Zhou, X; Xiao, X; Ren, Y; Ma, Z; Cheng, X; Deng, Y; Zhao, D, A Universal Lab-on-Salt-Particle Approach to 2D Single-Layer Ordered Mesoporous Materials, Advanced Materials, 2020, 32 (10), pp. e1906653