Abstract
In this study, the possible reactions of N2O reduction on Ti-C60, Ti-Si60, Ti-CNT(9, 0) and Ti-SiNT(9, 0) are investigated by DFT model, M06-2X and PW91 functional. The ∆Eadsorption of N2O via O atom on Ti-C60, Ti-Si60, Ti-CNT(9, 0) and Ti-SiNT(9, 0) are -2.72, -2.78, -2.88 and -2.95 eV. The CO2 and ethylene oxide are easily desorbed from catalysts surfaces. The ∆Eformation of Ti-C60, Ti-Si60, Ti-CNT(9, 0) and Ti-SiNT(9, 0) are -4.01, -4.14, -4.28 and -4.40 eV. The Ti-doped nanotubes and nanocages for N2O reduction have lower Eactivation values than metal catalysts. The ∆Greaction of Ti–O* + CO → Ti* + CO2 on Ti-C60, Ti-Si60, Ti-CNT(9, 0) and Ti-SiNT(9, 0) are -0.27, -0.27, 0.28 and -0.29 eV. The CO is adsorbed on *O-Ti-C60, *O-Ti-Si60, *O-Ti-CNT(9, 0) and *O-Ti-SiNT(9, 0) to eliminate the nano-Ti–O*. Finally, the Ti-CNT(9, 0) and Ti-SiNT(9, 0) are proposed as effective catalysts for N2O reduction with higher abilities than metal catalysts.
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The authors would Thank the Researchers Supporting Project number (RSPD2024R993), King Saud University, Riyadh, Saudi Arabia.
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Khalid Mujasam Batoo: Conceptualization, Methodology, Software, Ahmed Jafer: Formal analysis, Investigation Resources, Salima Baqir Khayoun Alsaadi: Software, Validation, Writing—Original Draft, Ahmed Elawady: Writing—Original Draft, Writing—Review & Editing, Manal Morad Karim: Validation, Formal analysis, Investigation Resources, Safaa Mustafa Hameed: Writing—Review & Editing, Visualization. Data Curation, Ahmed Ahmed Ibrahim: Validation, Formal analysis, Investigation Resources, Bouchaib Zazoum: Validation, Validation, Formal analysis, Alaa A. Omran: Conceptualization, Methodology, Software, Visualization, Montather F. Ramadan: Formal analysis, Investigation Resources, Validation, Formal analysis.
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Batoo, K.M., Jafer, A., Alsaadi, S.B.K. et al. Examination of Potential of C60, Si60, CNT(9, 0) and SiNT(9, 0) as Catalysts for N2O Reduction. Silicon 16, 2541–2546 (2024). https://doi.org/10.1007/s12633-024-02867-3
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DOI: https://doi.org/10.1007/s12633-024-02867-3