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<p>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&#xa0;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.</p>

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Metal-organic framework modified carbon nanotubes for hydrogen production from formic acid with carbon dioxide capture and conversion

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月22日

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  • Dina Thole,
  • Kwena D. Modibane,
  • Reineck Mhlaba,
  • Sheriff A. Balogun,
  • Ebrahiem Botha,
  • Nicholas M. Musyoka

摘要

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.