AI Article Synopsis
- The study presents a novel method for converting nitrogen to ammonia using ternary TiO QDs/TiO OVs/CuFeS nanocomposites, emphasizing its sustainability and carbon neutrality.
- The optimal nanocomposite produced significantly more green ammonia (17,274 μmol L g) than traditional photocatalysts, demonstrating its superior efficiency.
- Key advancements, such as improved lattice compatibility and the creation of a double S-scheme system, enhanced photocatalytic activity by reducing charge recombination and promoting charge transfer, thereby facilitating nitrogen fixation.
Article Abstract
Photocatalytic N conversion to NH is a green, sustainable pathway with renewable energy sources and carbon neutrality. In this research, ternary TiO QDs/TiO OVs/CuFeS nanocomposites were prepared by an easy and affordable procedure and utilized to produce clean ammonia energy without a sacrificial agent. The amount of produced green ammonia by the optimum nanocomposite achieved was 17,274 μmol L g, which was approximately 20.9, 6.48, 4.45, 2.26, and 1.45 times higher than those of commercial TiO, TiO QDs, TiO OVs, CuFeS, and TiO QDs/TiO OVs photocatalysts, respectively. Lattice compatibility through the developed homojunction within TiO QDs/TiO OVs and the integration of CuFeS nanoparticles led to the establishment of a double S-scheme homo/heterojunction system, which improved the photocatalytic activity by maintaining electrons and holes with high oxidation and reduction power and greatly reduced the recombination of charges, which led to the acceleration of charge transfer and migration. Besides, the promoted surface area compared to the pure components, introducing oxygen vacancies, and reducing the particle size boosted the photocatalytic N conversion to NH. The results of this research are a basis for the rational design of homojunction/heterojunction visible-light-responsive systems for photocatalytic nitrogen fixation reactions.
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| http://dx.doi.org/10.1021/acs.inorgchem.4c00440 | DOI Listing |
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