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*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


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 (US)
Pages (from-to)4150-4153
Number of pages4
JournalDalton Transactions
Issue number10
StatePublished - 2016

ASJC Scopus subject areas

  • Inorganic Chemistry


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