4.7 Article

High capacity CO2 adsorption in a Mg(II)-based phosphine oxide coordination material

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 17, Pages 4899-4901

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc10754b

Keywords

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Funding

  1. Welch Foundation [F-1738]
  2. Ministry of Education, Science and Technology [2010-0019531]
  3. Direct For Mathematical & Physical Scien [0741973] Funding Source: National Science Foundation

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The new porous phosphine coordination material, PCM-11, is an unusual 8,4-connected coordination polymer with an open 3-D pore structure, formed by reaction of Mg(II) with tris-(para-carboxylato)triphenylphosphine oxide. The highly ionic nature of the metal-ligand bonding results in excellent thermal stability upon desolvation (>460 degrees C). PCM-11 is easily activated for small molecule sorption at low temperature without the requirement for solvent pre-exchange. It adsorbs 47.5 wt% CO2 at 11.6 bar and 30 degrees C.

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