Abstract
Mustard gas is a kind of erosive poison with great harm and used as a chemical weapon since World War. It has suggested that the photocatalytic technology is an effective method to eliminate it. Because the small difference in molecular structure between 2-CEES and Mustard gas, and the less toxic of 2-CEES, 2-CEES is often used as a simulator to evaluate the photocatalytic activity of catalysts. In this work, symbiotic mixture of Bi2WO6 and Bi6O6(OH)3(NO3)3·1.5H2O nanosheets doped with Mo (Mo-B-B) have been synthesized by a facile hydrothermal treatment. The samples were characterized by XRD, DRS, XPS, SEM, TEM, Raman, and PL. The photocatalytic activity of the samples was evaluated by measuring the degradation of 2-CEES under visible light irradiation. The results showed that the doped Mo reduce the Eg of bare symbiotic mixture and improve the separation efficiency of photo-generated carriers that is beneficial to photocatalytic activity. The optimum amount of doped Mo is 5% that exhibits the best activity for degradation for 2-CEES.
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Acknowledgments
This work was financially supported by NSFC (Grants no.22072022 and 21876204), the Science and Technology project of Fujian Province of P. R. China (2020Y4009 and 2018H6008) and the State Key Laboratory of NBC Protection ((SKLNBC2019-14,SKLNBC2020-18).
Funding
This work was financially supported by NSFC (Grants No.22072022 and 21876204), the Science and Technology project of Fujian Province of P. R. China (2020Y4009) and the State Key Laboratory of NBC Protection ((SKLNBC2019-14, SKLNBC2020-18).
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Yang, H., Guo, Y., Han, S. et al. Synthesis of Mo–doped symbiotic mixture of Bi2WO6 and Bi6O6(OH)3(NO3)3·1.5H2O nanosheets with enhanced photocatalytic degradation for mustard gas simulator 2-CEES. Res Chem Intermed 49, 3381–3393 (2023). https://doi.org/10.1007/s11164-022-04926-z
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DOI: https://doi.org/10.1007/s11164-022-04926-z