Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 20, Issue 47, Pages 15611-15617Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201403542
Keywords
adsorption; ammonia; chemical stability; metal-organic frameworks; polymers
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Funding
- New Energy and Industrial Technology Development Organization (NEDO)
- Regional Innovation Strategy Support Program from the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Precursory Research for Embryonic Science and Technology (PRESTO) from Japan Science and Technology Agency (JST)
- World Premier International Research Center Initiative (WPI), MEXT, Japan
- Grants-in-Aid for Scientific Research [26708007, 26600026] Funding Source: KAKEN
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To establish a strategy for designing porous coordination polymers (PCPs) for ammonia capture, the first systematic study on the stability of PCPs against ammonia was conducted. Various types of PCPs were investigated by comparing their powder XRD patterns before and after treatment with ammonia. Among the PCPs tested, ZIF-8, MIL-53(Al), Al-BTB, MOF-76(M) (M=Y or Yb), MIL-101(Cr), and MOF-74(Mg) were stable up to 350 degrees C under an ammonia atmosphere at ambient pressure. The origin of the stability of PCPs is discussed from the viewpoint of their components, metal cations, and organic linkers. Furthermore, adsorption isotherm measurements show that the adsorptive behavior of PCPs is independent of their stability.
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