Eunwoo Choi

Northwestern University, Evanston, IL, United States

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Publications (3)51.71 Total impact

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    ABSTRACT: This work was supported by both the US Department of Defense (DTRA: HDTRA1-08-10023) at UCLA, the US Department of Defence under award number W911NF-07-R-001-04 at Northwestern University and the Microelectronics Advanced Research Corporation (MARCO) and its Center on Functional Engineered Nano Architectonics (FENA). Some of the research reported herein was carried out under the auspices of an international collaboration supported in the US by the National Science Foundation under grant CHE-0924620 and in the UK by the Engineering and Physical Sciences Research Council under grant EP/H003517/1. J.F.S. and O.M.Y. were supported by the WCU Program (NRF R-31-2008-000-10055-0) funded by the Ministry of Education, Science and Technology, Korea. We gratefully acknowledge Drs. Siddhartha Das, Robert E. Taylor, Armando Durazo (Department of Chemistry and Biochemistry at University of California, Los Angeles) and Dr Duilio Cascio (UCLA–Department of Energy (DOE) Institute of Genomics and Proteomics) for experimental assistance and invaluable discussions. The authors thank M. Capel, K. Rajashankar, F. Murphy, J. Schuermann, and I. Kourinov at the Advance Photon Source (APS) where the NE-CAT Beamline 24-ID-C is supported by the National Institutes of Health Grant RR-15301 (NCRR). G.B. thanks the EFRC for a NERC Fellowship and the International Center for Diffraction Data for the award of a 2011 Ludo Frevel Crystallography Scholarship.
    Angewandte Chemie International Edition 02/2012; 51(9):2160-3. DOI:10.1002/anie.201107873 · 11.26 Impact Factor
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    ABSTRACT: Crystalline solids with extended non-interpenetrating three-dimensional crystal structures were synthesized that support well-defined pores with internal diameters of up to 48 angstroms. The Zn4O(CO2)6 unit was joined with either one or two kinds of organic link, 4,4',4''-[benzene-1,3,5-triyl-tris(ethyne-2,1-diyl)]tribenzoate (BTE), 4,4',44''-[benzene-1,3,5-triyl-tris(benzene-4,1-diyl)]tribenzoate (BBC), 4,4',44''-benzene-1,3,5-triyl-tribenzoate (BTB)/2,6-naphthalenedicarboxylate (NDC), and BTE/biphenyl-4,4'-dicarboxylate (BPDC), to give four metal-organic frameworks (MOFs), MOF-180, -200, -205, and -210, respectively. Members of this series of MOFs show exceptional porosities and gas (hydrogen, methane, and carbon dioxide) uptake capacities. For example, MOF-210 has Brunauer-Emmett-Teller and Langmuir surface areas of 6240 and 10,400 square meters per gram, respectively, and a total carbon dioxide storage capacity of 2870 milligrams per gram. The volume-specific internal surface area of MOF-210 (2060 square meters per cubic centimeter) is equivalent to the outer surface of nanoparticles (3-nanometer cubes) and near the ultimate adsorption limit for solid materials.
    Science 07/2010; 329(5990):424-8. DOI:10.1126/science.1192160 · 33.61 Impact Factor
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    ABSTRACT: Linking struts containing Cram-like bisbinaphthyl[22]crown-6 with Zn(4)O(CO(2))(6) joints affords metal-organic frameworks with chiral recognition sites that are highly designed, ordered and placed in a precise manner throughout the entire crystal.
    Chemical Communications 07/2010; 46(27):4911-3. DOI:10.1039/c0cc00997k · 6.83 Impact Factor