4.6 Article

A 2D metal-organic framework composed of a bi-functional ligand with ultra-micropores for post-combustion CO2 capture

Journal

RSC ADVANCES
Volume 5, Issue 59, Pages 47384-47389

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra04295j

Keywords

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Funding

  1. NUS
  2. Tier 1 grant from Singapore Ministry of Education
  3. POC grant from National Research Foundation of Singapore
  4. DSTA grant
  5. National Natural Science Foundation of China [21233006, 21473164]
  6. National University of Singapore (NUS) [R-279-000-369-133, CENGas R-261-508-001-646]
  7. Singapore Ministry of Education (MOE) [AcRF Tier 1 R-279-000-410-112, AcRF Tier 2 R-279-000-429-112]

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A two-dimensional (2D) metal-organic framework (MOF) named NUS-5 was synthesized using a bifunctional ligand 4-pyrazolecarboxylic acid (PyC) containing both carboxylate and pyrazole moieties. NUS-5 is composed of porous grids stacked together into a 2D layered structure exhibiting ultramicropores. It displays remarkable thermostability and excellent selectivity towards sorption of CO2 over N-2, making it a good material candidate for post-combustion CO2 capture.

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