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240608s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01421
|2 doi
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|a eng
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| 100 |
1 |
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|a Chen, Hao
|e verfasserin
|4 aut
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| 245 |
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|a Efficient Photocatalytic Activation of Peroxymonosulfate by Cobalt-Doped Oxygen-Vacancies-Rich BiVO4 for Rapid Tetracycline Degradation
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 18.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this work, cobalt-doped oxygen-vacancies-rich BiVO4 (Co/BiVO4-Vo) was successfully synthesized for the degradation of tetracycline (TC) by activated peroxymonosulfate (PMS) under visible light. The morphologies, microstructures, and optical properties of the photocatalysts were analyzed in detail. Co/BiVO4-Vo exhibited significantly enhanced degradation, removing 92.3% of TC within 10 min, which was greater than those of pure BiVO4 (62.2%) and oxygen-vacancies-rich BiVO4 (BiVO4-Vo) (72.0%), respectively. The photogenerated charge separation and transport properties were explored through surface photovoltage (SPV), photoluminescence spectrum (PL), and UV-vis diffuse reflectance spectroscopy (UV-vis DRS) measurements. Additionally, an in-depth investigation was conducted on the photocatalytically assisted advanced oxidation processes based on SO4•- (SR-AOPs) for the degradation of organic pollutants. The experimental results showed that the introduction of oxygen vacancies and Co doping achieved an effective separation of photogenerated carriers, which could accelerate the cycling between Co3+ and Co2+ and further activate PMS. The results of free radical capture experiments and electron spin resonance (ESR) experiments showed that reactive oxygen species (ROSs) such as 1O2, •O2-, and SO4•- played a dominant role in the removal of pollutants. This work provides a novel insight into the further development of efficient and rapid PMS photoactivators for environmental remediation of water bodies
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|a Journal Article
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1 |
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|a Meng, Fanyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yunhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Tengfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dejun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Yanhong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 24 vom: 18. Juni, Seite 12778-12791
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:24
|g day:18
|g month:06
|g pages:12778-12791
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01421
|3 Volltext
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