REFERENCES
1. Le Roy, E. J.; Wong, A. Y.; Eastham, S. D.; Fiore, A. M.; Selin, N. E. Impact of climate variability and change on the surface ozone response to NOx emissions reductions. Environ. Sci. Technol. 2025, 59, 10422-33.
2. Zhang, X.; Fung, J. C.; Lau, A. K.; Hossain, M. S.; Louie, P. K.; Huang, W. Air quality and synergistic health effects of ozone and nitrogen oxides in response to China’s integrated air quality control policies during 2015-2019. Chemosphere 2021, 268, 129385.
3. Jabłońska, M.; Palkovits, R. Copper based catalysts for the selective ammonia oxidation into nitrogen and water vapour - recent trends and open challenges. Appl. Catal. B. Environ. 2016, 181, 332-51.
4. Liu, B.; Dai, G.; Wang, R.; et al. Co-based catalysts for the reduction of NOx with CO via the regulation of geometric and electronic structure. Coord. Chem. Rev. 2025, 532, 216502.
5. Li, S.; Chen, X.; Wang, F.; et al. Promotion effect of Ni doping on the oxygen resistance property of Fe/CeO2 catalyst for CO-SCR reaction: activity test and mechanism investigation. J. Hazard. Mater. 2022, 431, 128622.
6. Liu, J.; Burciaga, R.; Tang, S.; et al. Heterogeneous catalysis for the environment. Innov. Mater. 2024, 2, 100090.
7. Li, R.; Liu, Z.; Li, J.; Wang, M.; Liu, Z. Advances in CO-SCR of NOx in the presence of oxygen: strategies, reaction mechanisms, and key influencing factors. Sep. Purif. Technol. 2026, 382, 136086.
8. Bai, Y.; Wu, Y.; Miao, C.; Wang, H.; Peng, Y.; Wu, Z. Sn-mediated regulation of the O2 adsorption and activation capacity of the Ir/SAPO-34 catalyst: a key to boosting CO selective catalytic reduction of NOx in O2-enriched environments. Environ. Sci. Technol. 2025, 59, 26875-85.
9. Haneda, M. Pusparatu, .; Kintaichi, Y.; et al. Promotional effect of SO2 on the activity of Ir/SiO2 for NO reduction with CO under oxygen-rich conditions. J. Catal. 2005, 229, 197-205.
10. Sun, Y.; Wu, Y.; Bai, Y.; Wu, X.; Wang, H.; Wu, Z. High performance iridium loaded on natural halloysite nanotubes for CO-SCR reaction. Fuel 2024, 357, 129938.
11. Chen, W.; Wang, Y.; Xu, W.; Li, C.; Yang, Y.; Zhu, T. Identifying spatially segregated Ir sites within ZSM-5 for enhanced redox cycle in NOx reduction by CO. Angew. Chem. Int. Ed. 2025, 64, e202425312.
12. Ji, Y.; Liu, S.; Zhu, H.; et al. Isolating contiguous Ir atoms and forming Ir-W intermetallics with negatively charged Ir for efficient NO reduction by CO. Adv. Mater. 2022, 34, 2205703.
13. Wang, J.; Gao, F.; Yi, H.; et al. Strong Ir-W interaction boosts CO-SCR denitration over supported Ir-based catalysts and influential mechanism of oxygen. Sep. Purif. Technol. 2023, 325, 124684.
14. Takahashi, A.; Nakamura, I.; Haneda, M.; Fujitani, T.; Hamada, H. Role of tungsten in promoting selective reduction of NO with CO over Ir/WO3-SiO2 catalysts. Catal. Lett. 2006, 112, 133-8.
15. Kwon, D. W.; Park, K. H.; Hong, S. C. Enhancement of SCR activity and SO2 resistance on VOx/TiO2 catalyst by addition of molybdenum. Chem. Eng. J. 2016, 284, 315-24.
16. Li, Z.; Yang, J.; Zhou, Y.; et al. Influence of different preparation methods on the activity of Ce and Mo co-doped ZSM-5 catalysts for the selective catalytic reduction of NOx by NH3. Environ. Sci. Pollut. Res. 2020, 27, 40495-503.
17. Li Z.; Huang W.; Xie K.C. Effect of Mo contents on properties of Mo/ZSM-5 zeolite catalyst for NOx reduction. J. Environ. Sci. 2005, 17, 103-5.
18. Xie, Y.; Yang, X.; Li, Z.; et al. Competitive anchoring of Mo atoms induces Pt atoms agglomeration and enhanced electronic effects: elevated activity and selectivity for carbon disulfide hydrogenation. Adv. Funct. Mater. 2025, 35, 2505879.
19. Fu, J.; Dong, J.; Si, R.; et al. Synergistic effects for enhanced catalysis in a dual single-atom catalyst. ACS. Catal. 2021, 11, 1952-61.
20. Kato, A.; Matsuda, S.; Kamo, T.; Nakajima, F.; Kuroda, H.; Narita, T. Reaction between nitrogen oxide (NOx) and ammonia on iron oxide-titanium oxide catalyst. J. Phys. Chem. 2002, 85, 4099-102.
21. Bai, Y.; Gao, S.; Sun, Y.; et al. Insight into the mechanism of selective catalytic reduction of NO by CO over a bimetallic IrRu/ZSM-5 catalyst in the absence/presence of O2 by isotopic C13O tracing methods. Environ. Sci. Technol. 2023, 57, 9105-14.
22. Wang, Y.; Xu, W.; Liu, Z.; et al. Unveiling the mechanism of CO-SCR reaction over Ir/SiO2 catalyst in the presence of multiple components (CO, O2, SO2). Appl. Catal. B. Environ. Energy. 2025, 366, 125066.
23. He, J.; Chen, D.; Li, N.; et al. Controlled fabrication of mesoporous ZSM-5 zeolite-supported PdCu alloy nanoparticles for complete oxidation of toluene. Appl. Catal. B:. Environ. 2020, 265, 118560.
24. Chen, G.; She, P.; Han, J.; et al. Structurally engineering multi-shell hollow zeolite single crystals via defect-directed oriented-kinetics transformation and their heterostructures for hydrodeoxygenation reaction. Angew. Chem. Int. Ed. 2025, 64, e202424690.
25. Yang, L.; Liu, Q.; Han, R.; et al. Confinement and synergy effect of bimetallic Pt-Mn nanoparticles encapsulated in ZSM-5 zeolite with superior performance for acetone catalytic oxidation. Appl. Catal. B. Environ. 2022, 309, 121224.
26. Cheng, K.; Van Der Wal, L. I.; Yoshida, H.; et al. Impact of the spatial organization of bifunctional metal-zeolite catalysts on the hydroisomerization of light alkanes. Angew. Chem. Int. Ed. 2020, 59, 3592-600.
27. Wei, X.; Cheng, J.; Li, Y.; et al. Bimetallic clusters confined inside silicalite-1 for stable propane dehydrogenation. Nano. Res. 2023, 16, 10881-9.
28. Liu, L.; Lopez-haro, M.; Lopes, C. W.; et al. Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites. Nat. Catal. 2020, 3, 628-38.
29. Katrib, A.; Stanislaus, A.; Yousef, R. XPS investigations of metal - support interactions in Pt/SiO2, Ir/SiO2 and Ir/Al2O3 systems. J. Mol. Struct. 1985, 129, 151-63.
30. Duan, X.; Sha, Q.; Li, P.; et al. Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis. Nat. Commun. 2024, 15, 1973.
31. Mingheng, Y.; Mulan, C.; Siyuan, X.; et al. Metal-support interaction governing Ir active-site properties for SO2 reduction by CO. Appl. Surf. Sci. 2025, 712, 164150.
32. Yan, X.; Liu, J.; Yang, Y.; Wang, Z.; Zheng, Y. A catalytic reaction scheme for NO reduction by CO over Mn-terminated LaMnO3 perovskite: a DFT study. Fuel. Process. Technol. 2021, 216, 106798.
33. Xu, X.; Liu, X.; Ma, L.; et al. Construction of surface synergetic oxygen vacancies on CuMn2O4 spinel for enhancing NO reduction with CO. ACS. Catal. 2024, 14, 3028-40.
34. Sun, X.; Lin, J.; Wang, Y.; et al. Catalytically active Ir0 species supported on Al2O3 for complete oxidation of formaldehyde at ambient temperature. Appl. Catal. B. Environ. Energy. 2020, 268, 118741.
35. Li, Y.; Chen, X.; Wang, C.; Zhang, C.; He, H. Sodium enhances Ir/TiO2 activity for catalytic oxidation of formaldehyde at ambient temperature. ACS. Catal. 2018, 8, 11377-85.
36. Kong, F.; Nie, B.; Jiang, L.; et al. Progress in palladium-based bimetallic catalysts for lean methane combustion: towards harsh industrial applications. Innov. Mater. 2025, 3, 100116.
