Journal
CARBON
Volume 49, Issue 2, Pages 563-572Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2010.09.059
Keywords
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Funding
- ARO (Army Research Office) [W911NF-10-1-0030]
- NSF [0754945/0754979]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0754945] Funding Source: National Science Foundation
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New composites of a copper-based metal-organic framework and graphite oxide were synthesized with different ratios of HKUST-1 (also called MOF-199) and graphite oxide. These compounds, as well as the parent materials, were characterized by X-ray diffraction, sorption of nitrogen, FT-IR spectroscopy, thermal analyses, scanning electron microscopy, and sorption of hydrogen. The composites exhibit features similar to HKUST-1 as well as an increased porosity compared to the parent materials. The formation of new small pores is demonstrated by an increase in the hydrogen uptake. The results suggest that the building process of the composites occurs via the reaction/binding of the copper dimers from the HKUST-1 with/to the functional groups in graphite oxide (epoxy, carboxylic, hydroxylic, sulfonic). (C) 2010 Elsevier Ltd. All rights reserved.
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