A cobalt arylphosphonate MOF – superior stability, sorption and magnetism
Erkal, Turan S.
Yazaydın, A. Özgür
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CitationZorlu, Y., Erbahar, D., Çetinkaya, A., Bulut A., Erkal, T. S., Yazaydın, A. Ö. ... Yücesan, G. (2019). A cobalt arylphosphonate MOF – superior stability, sorption and magnetism. Chemical Communications, 55(21), 3053-3056. https://dx.doi.org/10.1039/C8CC09655D
We report a novel metal-organic framework (MOF) based on a cobalt arylphosphonate, namely, [Co2(H4-MTPPA)]·3NMP·H2O (1·3NMP·H2O), which was prepared solvothermically from the tetrahedral linker tetraphenylmethane tetrakis-4-phosphonic acid (H8-MTPPA) and CoSO4·7H2O in N-methyl-2-pyrrolidone (NMP). Compound 1 has the highest porosity (BET surface area of 1034 m2 g−1) ever reported for a MOF based on an aryl phosphonic acid linker. The indigo blue crystals of 1·3NMP·H2O are composed of edge-shared eight-membered Co2P2O4 rings, and are thermally very stable up to 500 °C.