High volumetric uptake of ammonia using Cu-MOF-74/Cu-CPO-27

Michael J. Katz, Ashlee J. Howarth, Peyman Z. Moghadam, Jared B. DeCoste, Randall Q. Snurr, Joseph T Hupp, Omar K. Farha

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Cu-MOF-74 (also known as Cu-CPO-27) was identified as a sorbent having one of the highest densities of Cu(II) sites per unit volume. Given that Cu(II) in the framework can be thermally activated to yield a five-coordinate Cu(II) species, we identified this MOF as a potential candidate for maximal volumetric uptake of ammonia. To that end, the kinetic breakthrough of ammonia in Cu-MOF-74/Cu-CPO-27 was examined under both dry and humid conditions. Under dry conditions the MOF exhibited a respectable performance (2.6 vs. 2.9 NH3 per nm3 for the current record holder HKUST-1), and under 80% relative humidity, the MOF outperformed HKUST-1 (5.9 vs. 3.9 NH3 per nm3, respectively).

Original languageEnglish
Pages (from-to)4150-4153
Number of pages4
JournalDalton Transactions
Issue number10
Publication statusPublished - 2016

ASJC Scopus subject areas

  • Inorganic Chemistry

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    Katz, M. J., Howarth, A. J., Moghadam, P. Z., DeCoste, J. B., Snurr, R. Q., Hupp, J. T., & Farha, O. K. (2016). High volumetric uptake of ammonia using Cu-MOF-74/Cu-CPO-27. Dalton Transactions, 45(10), 4150-4153. https://doi.org/10.1039/c5dt03436a