Journal
CHEMICAL SCIENCE
Volume 5, Issue 2, Pages 660-666Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sc52177j
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Funding
- Japan Society for the Promotion of Science
- ACT-C of the Japan Science and Technology Agency
- WPI iCeMS program, Quantum Ordering Research Project launched in the RIKEN SPring-8 Center
- Japan Synchrotron Radiation Research Institute [2013A1071]
- World Premier International Research Initiative (WPI) of MEXT, Japan
- Grants-in-Aid for Scientific Research [24510154] Funding Source: KAKEN
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Porous coordination polymers (PCPs), constructed from organic linkers and metal ions, can provide special pore environments for selective CO2 capture. Although many PCPs have been reported, a rational design for identifying PCPs that adsorb CO2 molecules with a low binding energy, high separation ability and high chemical stability remains a great challenge. Here, we propose and validate, experimentally and computationally, a new PCP, [La(BTN)DMF].guest (PCP-1 superset of guest), that has a large aromatic organic surface and a low binding energy for high CO2 separation from four-gas mixtures (CO2-N-2-O-2-CO) at ambient temperature. In addition, it shows good water and chemical stability; in particular, it is stable from pH = 2 to 12 at 100 degrees C, which is unprecedented for carboxylate-based PCPs.
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