4.7 Article

Structural-failure resistance of metal-organic frameworks toward multiple-cycle CO2 sorption

Journal

CHEMICAL COMMUNICATIONS
Volume 53, Issue 62, Pages 8653-8656

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc04313a

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Funding

  1. National University of Singapore [CENGas R-261-508-001-646]
  2. Ministry of Education - Singapore [MOE AcRF Tier 2 R-279-000-429-112]

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We present the first study on the structural-failure of MOFs induced by multiple-cycle CO2 adsorption and desorption, wherein UiO-66(Zr) demonstrates a much better resistance than HKUST-1 in 500-cycle CO2 adsorption-desorption tests. This conclusion is supported by the higher elastic modulus of UiO-66(Zr) (ca. 28 GPa) and retention of elastic modulus (100%) than HKUST-1 (ca. 19 GPa, 64%) measured via multifrequency atomic force microscopy (MAFM).

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