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Updated: Jun 3, 2026
Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Metal-organic framework modified carbon nanotubes for hydrogen production from formic acid with carbon dioxide
Dina Thole1,2, Kwena D Modibane3,4, Reineck Mhlaba1
1Department of Chemistry, School of Physical and Mineral Sciences, University of Limpopo, Private Bag X 1106, 0727, Sovenga, South Africa.
Abstract:
The increasing demand for sustainable energy and the need to reduce carbon emissions have driven research into advanced materials for hydrogen production and CO₂ capture. This study presents a novel copper-based metal-organic framework (Cu-MOF) integrated with Multiwalled carbon nanotubes (MWCNTs) as a photocatalyst for hydrogen (H₂) generation and carbon dioxide (CO₂) capture. The composite's structural, thermal, and morphological properties were analyzed using FTIR, XRD, TGA, and SEM/EDS. Photocatalytic performance was evaluated using formic acid, yielding 11 mmol/g of gas with 75% H₂ purity, confirmed by gas chromatography. Post-reaction analysis revealed CO₂ capture and reversible photoelectrocatalytic behavior. The composite shows promise for scalable, sustainable hydrogen production using recyclable materials.
