Zinc-Doped BiOBr Hollow Microspheres for Enhanced Visible Light Photocatalytic Degradation of Antibiotic Residues

Photocatalysis represents an effective technology for environmental remediation. Herein, a series of Zn-doped BiOBr hollow microspheres are synthesized via one-pot solvothermal treatment of bismuth nitrate and dodecyl ammonium bromide in ethylene glycol along with a calculated amount of zinc acetate...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 40(2024), 12 vom: 26. März, Seite 6515-6523
1. Verfasser: Tang, Yao (VerfasserIn)
Weitere Verfasser: Tai, Ran, Song, Xingjian, Gao, Shuai, Wu, Runjie, Chen, Shaowei, Li, Peishen, Wang, Qiang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Anti-Bacterial Agents bismuth oxybromide N427L0NH3S Zinc J41CSQ7QDS Bismuth U015TT5I8H Ciprofloxacin 5E8K9I0O4U
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520 |a Photocatalysis represents an effective technology for environmental remediation. Herein, a series of Zn-doped BiOBr hollow microspheres are synthesized via one-pot solvothermal treatment of bismuth nitrate and dodecyl ammonium bromide in ethylene glycol along with a calculated amount of zinc acetate. Whereas the materials morphology and crystal structure remain virtually unchanged upon Zn-doping, the photocatalytic performance toward the degradation of ciprofloxacin is significantly improved under visible light irradiation. This is due to the formation of a unique band structure that facilitates the separation of photogenerated electron-hole pairs, reduced electron-transfer resistance, and enhanced electron mobility and carrier concentration. The best sample consists of a Zn doping amount of 1%, which leads to a 99.2% degradation rate of ciprofloxacin under visible photoirradiation for 30 min. The resulting photocatalysts also exhibit good stability and reusability, and the degradation intermediates exhibit reduced cytotoxicity compared to ciprofloxacin. These results highlight the unique potential of BiOBr-based photocatalysts for environmental remediation 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a bismuth oxybromide  |2 NLM 
650 7 |a N427L0NH3S  |2 NLM 
650 7 |a Zinc  |2 NLM 
650 7 |a J41CSQ7QDS  |2 NLM 
650 7 |a Bismuth  |2 NLM 
650 7 |a U015TT5I8H  |2 NLM 
650 7 |a Ciprofloxacin  |2 NLM 
650 7 |a 5E8K9I0O4U  |2 NLM 
700 1 |a Tai, Ran  |e verfasserin  |4 aut 
700 1 |a Song, Xingjian  |e verfasserin  |4 aut 
700 1 |a Gao, Shuai  |e verfasserin  |4 aut 
700 1 |a Wu, Runjie  |e verfasserin  |4 aut 
700 1 |a Chen, Shaowei  |e verfasserin  |4 aut 
700 1 |a Li, Peishen  |e verfasserin  |4 aut 
700 1 |a Wang, Qiang  |e verfasserin  |4 aut 
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773 1 8 |g volume:40  |g year:2024  |g number:12  |g day:26  |g month:03  |g pages:6515-6523 
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