What is the role of carbon nanotubes (CNTs) in the CNTs/GCN hybrid photocatalyst?

Label:chem

Topic
Carbon nanotubes (CNTs) are known for their unique structural features and exceptional electrical conductivity. They have been used to enhance the performance of photocatalysts by improving light absorption and charge separation efficiency.

From: "Solar-Driven Selective Benzyl Alcohol Oxidation in Pickering Emulsion Stabilized by CNTs/GCN Hybrids Photocatalyst", Catalysts 2025, 15(8), 753;
Answer
In the CNTs/GCN hybrid photocatalyst, CNTs play a dual role. They enhance the light absorption capacity of the composite photocatalyst and facilitate the separation of photogenerated electron–hole pairs due to their superior conductivity. Additionally, CNTs modulate the hydrophobicity of the hybrid through their large conjugated hydrophobic structures, which improves the affinity of benzyl alcohol to the hybrid surface.
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