Researchers at DGIST have developed a highly efficient photocatalyst to convert carbon dioxide (CO2) into methane (CH4), an energy-rich fuel. This new catalyst combines cadmium selenide with amorphous titanium dioxide, which has irregular surface characteristics that enhance active site formation and electron supply for the reaction. This innovation achieves a methane conversion efficiency of 99.3% and offers significant improvements in catalytic regeneration and stability. This advancement could help mitigate climate change by reducing CO2 levels and providing a sustainable energy source.
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