Journal
RSC ADVANCES
Volume 3, Issue 25, Pages 9932-9941Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra40817e
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Funding
- ARO [W911NF-10-1-0039]
- NSF [CBET 1133112]
- CSC (China Scholarship Council)
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New composites of a copper-based metal-organic framework and graphite oxide modified by urea (GO-U) were synthesized. The materials and the parent composite components were characterized using X-ray diffraction, FT-IR spectroscopy, potentiometric titration, sorption of nitrogen, thermal analysis, elemental analysis, Raman spectroscopy, UV-Vis spectroscopy, and scanning electron microscopy. The introduction of GO-U does not prevent the formation of MOF crystal structure. The synergistic effect of the composite formation is clearly seen in the surface features. The new materials exhibit a unique texture, high porosity and nitrogen enriched surface chemistry. Incorporation of amino groups in the specific chemical and structural environment enhances CO2 adsorption. Therefore, this kind of composites has a potential application in CO2 capture technologies to remit global warming.
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