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"Ultrahigh porosity in metal-organic frameworks," by Hiroyasu Furukawa and 10 others, Science, 329(5990): 424-8, 23 July 2010.


[Author's affiliations: University of California, Los Angeles; Soongsil University, Seoul, Korea; Northwestern University, Evanston, IL]

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 Zn(4)O(CO(2))(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."

This 2010 report from Science was cited 32 times in current journal articles indexed by Clarivate during July-August 2011. During that two-month period, only two other chemistry papers published in the last two years, aside from review, garnered higher citation totals. Prior to the most recent bimonthly count, citations to the paper have accrued as follows:

May-June 2011: 15 citations
March-April 2011: 31
January-February 2011: 4
November-December 2010: 7
September-October 2010: 1

Total citations to date: 90


SOURCE: Hot Papers Database (Included with a subscription to Science Watch®, available from the Research Services Group of Thomson Reuters. The Hot Papers Database contains data on hundreds of highly cited papers published during the last two years. User interface permits searching by author, organization, journal, field, and more. Total citations, as well as citations accrued during successive bimonthly periods, can be assessed and graphed. New Hot Papers updates are produced every two months.

 
 

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  • 12.11.2011 - Hot Paper in Chemistry

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Droplets of morning dew hang onto the leaves of crops in a field in the village of Founex near Geneva October 27, 2006. REUTERS/Denis Balibouse.Special Country Features:

Top 20 Countries: Citations in Five-Year Increments, and the 10th annual list of the Top 20 Countries in ALL FIELDS, 2001-August 31, 2011.

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