Colossal cages in zeolitic imidazolate frameworks as selective carbon dioxide reservoirs

Bo Wang, Adrien P. Côté, Hiroyasu Furukawa, Michael O’Keeffe and Omar M. Yaghi ()
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Bo Wang: Center for Reticular Chemistry, University of California-Los Angeles, 607 East Charles E. Young Drive, Los Angeles, California 90095, USA
Adrien P. Côté: Center for Reticular Chemistry, University of California-Los Angeles, 607 East Charles E. Young Drive, Los Angeles, California 90095, USA
Hiroyasu Furukawa: Center for Reticular Chemistry, University of California-Los Angeles, 607 East Charles E. Young Drive, Los Angeles, California 90095, USA
Michael O’Keeffe: Arizona State University, Tempe, Arizona 85287, USA
Omar M. Yaghi: Center for Reticular Chemistry, University of California-Los Angeles, 607 East Charles E. Young Drive, Los Angeles, California 90095, USA

Nature, 2008, vol. 453, issue 7192, 207-211

Abstract: Get cagey with the CO2 Zeolitic imidazolate frameworks, or ZIFs, are porous crystalline materials in which organic imidazolate links connect to transition metals to form a tetrahedral framework. Many different ZIF structures can be created by simply adjusting the link–link interactions. Wang et al. used this tactic to produce two new materials with structures of a scale and complexity rarely seen before. The resulting cages contain up to 264 vertices within the pore network, and are constructed from as many as 7,524 atoms. The cages can selectively capture and store carbon dioxide with high efficiency and this, combined with stability and ease of fabrication, makes giant ZIFs promising candidates for technologies aimed at reducing carbon dioxide emissions.

Date: 2008
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DOI: 10.1038/nature06900

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