Induction of W18O49 surface defects by manganese ion (Mn2+) doping to achieve efficient removal of ciprofloxacin in water.
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| Title: | Induction of W |
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| Authors: | Yang, Yaqin1 (AUTHOR), Gong, Yu1 (AUTHOR), Li, Zhongyu1,2 (AUTHOR) zhongyuli@mail.tsinghua.edu.cn, Liu, Zhiying3,4 (AUTHOR), Shao, Min1,3 (AUTHOR) hj_shao@cczu.edu.cn |
| Source: | Journal of Materials Science: Materials in Electronics. Dec2024, Vol. 35 Issue 34, p1-16. 16p. |
| Abstract: | Defect engineering, as an effective means to improve catalyst performance, can not only generate efficient catalytic active sites but also provide charge and energy transfer channels. In this study, a manganese ion-doped (Mn2+) W18O49 catalyst was synthesized using a solvothermal method to enhance its catalytic performance for the degradation of ciprofloxacin (CIP) in water. Under full-spectrum illumination, the Mn2+-doped W18O49 exhibited significant catalytic efficiency, achieving a 74% degradation rate of CIP within one hour, which was 1.8 times that of pure W18O49. Both pure W18O49 and Mn2+-doped W18O49 samples have undergone standard characterization tests commonly used in the field of photocatalytic degradation. Based on the test results, it can be inferred that Mn2+ doping leads to an increase in the concentration of oxygen vacancies on the surface of W18O49 by inducing defect engineering, thereby enhancing its photocatalytic activity. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Defect engineering, as an effective means to improve catalyst performance, can not only generate efficient catalytic active sites but also provide charge and energy transfer channels. In this study, a manganese ion-doped (Mn2+) W18O49 catalyst was synthesized using a solvothermal method to enhance its catalytic performance for the degradation of ciprofloxacin (CIP) in water. Under full-spectrum illumination, the Mn2+-doped W18O49 exhibited significant catalytic efficiency, achieving a 74% degradation rate of CIP within one hour, which was 1.8 times that of pure W18O49. Both pure W18O49 and Mn2+-doped W18O49 samples have undergone standard characterization tests commonly used in the field of photocatalytic degradation. Based on the test results, it can be inferred that Mn2+ doping leads to an increase in the concentration of oxygen vacancies on the surface of W18O49 by inducing defect engineering, thereby enhancing its photocatalytic activity. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 09574522 |
| DOI: | 10.1007/s10854-024-13949-8 |
