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Exceptional chemical and thermal stability of zeolitic imidazolate frameworks

Kyo Sung Park, Zheng Ni, Adrien P. Côté, Jae Yong Choi, Rudan Huang, Fernando J. Uribe‐Romo, Hee Kwon Chae, Michael O'Keeffe, Omar M. Yaghi

Proceedings of the National Academy of Sciences · 2006 · 7,626 citationsOpen access

doi.org/10.1073/pnas.0602439103Free full text

Abstract

Twelve zeolitic imidazolate frameworks (ZIFs; termed ZIF-1 to -12) have been synthesized as crystals by copolymerization of either Zn(II) (ZIF-1 to -4, -6 to -8, and -10 to -11) or Co(II) (ZIF-9 and -12) with imidazolate-type links. The ZIF crystal structures are based on the nets of seven distinct aluminosilicate zeolites: tetrahedral Si(Al) and the bridging O are replaced with transition metal ion and imidazolate link, respectively. In addition, one example of mixed-coordination imidazolate of Zn(II) and In(III) (ZIF-5) based on the garnet net is reported. Study of the gas adsorption and thermal and chemical stability of two prototypical members, ZIF-8 and -11, demonstrated their permanent porosity (Langmuir surface area = 1,810 m(2)/g), high thermal stability (up to 550 degrees C), and remarkable chemical resistance to boiling alkaline water and organic solvents.

Cite this paper

Park, K. S., Ni, Z., Côté, A. P., Choi, J. Y., Huang, R., Uribe‐Romo, F. J., Chae, H. K., O’Keeffe, M., & Yaghi, O. M. (2006). Exceptional chemical and thermal stability of zeolitic imidazolate frameworks. Proceedings of the National Academy of Sciences, 103(27), 10186–10191. https://doi.org/10.1073/pnas.0602439103

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