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Defects Engineering of Highly Stable Lanthanide Metal-Organic Frameworks by Particle Modulation for Coating Catalysis

Abstract

By virtue of their structural periodicity, tunability, high porosity and rich functionality, metal-organic frameworks (MOFs) are of great interest in catalysis. However, MOF crystals are fragile and difficult to be used as robust adsorbents or catalysts without processing into shapes. The precise control of particle-size and catalytic sites for MOFs during the shaping procedures is also highly desired yet hard to realize. A versatile size-control method for lanthanide MOFs, especially our newly designed Ce-MOF (BIT-58) is developed. The coordinate and steric effects of various modulators are investigated. With the size-reduction from micrometers to nanometers (~25 μm to ~30 nm), more accessible metal sites of BIT-58 are exposed (10 times increased acid site amount; 7 times higher mesopore volume) and the catalytic performance is significantly improved. Furthermore, nano-sized BIT-58 can be processed into films or coatings with excellent catalytic activity, which holds great potentials in batch or continuous-flow catalytic processes.

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Publication details

The article was received on 14 Oct 2017, accepted on 13 Nov 2017 and first published on 13 Nov 2017


Article type: Communication
DOI: 10.1039/C7TA09036F
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Defects Engineering of Highly Stable Lanthanide Metal-Organic Frameworks by Particle Modulation for Coating Catalysis

    Y. Chen, S. Zhang, F. Chen, S. Cao, Y. Cai, S. Li, H. Ma, X. Ma, P. Li, X. Huang and B. Wang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA09036F

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