Nano carbon sphere modified CoAl2O4-CdS Z-scheme heterojunctions: Broad-spectrum absorption enhanced photocatalytic hydrogen evolution

Key Points

• The aim is to enhance the efficiency of hydrogen evolution by addressing carrier recombination using a novel photocatalytic material.
• Utilized coal tar pitch to modify CoAl2O4-CdS heterojunctions.
• Evaluated photocatalytic performance under solar energy.
• Analyzed carrier recombination dynamics.
• Achieved significant enhancement in hydrogen production rates.
• Reduced carrier recombination led to improved photocatalytic efficiency.
• Demonstrated broad-spectrum absorption capabilities.