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In this paper, firstly, the basic principle and efficiency of photocatalytic CO2 reduction are analyzed, and the thermodynamic and kinetic principles of photoreduction of CO2 are explained. Secondly, the graded Cu-NiO composites were prepared using the solution combustion method, and the atomic structure density properties of the graded Cu-NiO composites were calculated using the Hohenberg-Kohn theorem of density generalization theory. Finally, an empirical analysis was conducted to verify the effectiveness of the graded Cu-NiO composites for photocatalytic CO2 reduction. The results showed that the overall capacitance of Cu-NiO composites was between [−3.5*107F−2·cm2,−1.5*107F−2·cm2], and the methanol yield of 4% Cu-NiO composites reached 729 μmol/g cat and the ethanol yield of 4% Cu-NiO composites decreased to 171 μmol/g cat after 5 h of reaction.
</abstract>

In this paper, firstly, the basic principle and efficiency of photocatalytic CO2 reduction are analyzed, and the thermodynamic and kinetic principles of photoreduction of CO2 are explained. Secondly, the graded Cu-NiO composites were prepared using the solution combustion method, and the atomic structure density properties of the graded Cu-NiO composites were calculated using the Hohenberg-Kohn theorem of density generalization theory. Finally, an empirical analysis was conducted to verify the effectiveness of the graded Cu-NiO composites for photocatalytic CO2 reduction. The results showed that the overall capacitance of Cu-NiO composites was between [−3.5*107F−2·cm2,−1.5*107F−2·cm2], and the methanol yield of 4% Cu-NiO composites reached 729 μmol/g cat and the ethanol yield of 4% Cu-NiO composites decreased to 171 μmol/g cat after 5 h of reaction.

Synthesis of graded Cu-NiO composites and their performance in photocatalytic CO2 reduction of carbon dioxide

Ministry of Education, Key Laboratory for Soft Chemistry and Functional Materials

Nanjing University of Science and Technology

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

Synthesis of graded Cu-NiO composites and their performance in photocatalytic CO reduction of carbon dioxide

In this paper, firstly, the basic principle and efficiency of photocatalytic CO2 reduction are analyzed, and the thermodynamic and kinetic principles of...

Synthesis of graded Cu-NiO composites and their performance in photocatalytic CO₂ reduction of carbon dioxide

Published Online: Nov 01, 2023

Page range: -

Received: Jan 07, 2023

Accepted: May 12, 2023

DOI: https://doi.org/10.2478/amns.2023.2.00910

Keywords
Graded Cu-NiO, Photocatalytic CO, Density flooding, Hohenberg-Kohn theorem, Solution combustion method

© 2023 Xin Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Synthesis of graded Cu-NiO composites and their performance in photocatalytic CO2 reduction of carbon dioxide

Published Online: Nov 01, 2023

Page range: -

Received: Jan 07, 2023

Accepted: May 12, 2023

DOI: https://doi.org/10.2478/amns.2023.2.00910

KeywordsGraded Cu-NiO, Photocatalytic CO, Density flooding, Hohenberg-Kohn theorem, Solution combustion method

© 2023 Xin Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Synthesis of graded Cu-NiO composites and their performance in photocatalytic CO₂ reduction of carbon dioxide

Keywords
Graded Cu-NiO, Photocatalytic CO, Density flooding, Hohenberg-Kohn theorem, Solution combustion method