Preparation, characterization and photodegradation mechanism of 0D/2D Cu2O/BiOCl S-scheme heterojunction for efficient photodegradation of tetracycline
Single-phase photocatalysts exhibit low performance of photocatalytic degradation of pollutants, which is mainly due to the fact that most intrinsic photocatalysts can only produce one active species for degradation reactions. In order to solve this problem, the 0D/2D Cu2O/BiOCl S-scheme heterojunction was successfully constructed through a facile hydrothermal route. The obtained 0D/2D Cu2O/BiOCl displays high catalytic activity for tetracycline (TC) photodegradation, and 90.3% of TC was photodegraded within 80 min, which is much better than that by pure Cu2O and BiOCl. The excellent photocatalytic activity can be ascribed to the formation of S-scheme heterostructures, which enables the photocatalyst to generate superoxide radicals and hydroxyl radicals, and at the same time, makes the oxidation potential more positive and the reduction potential more negative. It is further proved by the results of experimental characterization and theoretical calculation show that the built-in electric field between Cu2O and BiOCl is a key factor in inducing the path of S-scheme electron transmission. In addition, the effects of various reaction conditions, including catalyst dosage, pH value and reaction temperature, on the photodegradation of tetracycline were discussed in detail. The intermediates and degradation path were also discussed in detail by liquid chromatography-mass spectrometry.
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Tianjin Univ, Georgia Tech Shenzhen Inst, Shenzhen 518071, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Chen, Guanyi
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Yu, Yang
Liang, Lan
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Liang, Lan
Duan, Xiaoguang
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Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, AustraliaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Duan, Xiaoguang
Li, Rui
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Li, Rui
Lu, Xukai
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Lu, Xukai
Yan, Beibei
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Yan, Beibei
Li, Ning
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Li, Ning
Wang, Shaobin
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Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, AustraliaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Cui, Yaowen
Ma, Jianlong
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Ma, Jianlong
Wu, Mengjie
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Wu, Mengjie
Wu, Jianzhong
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MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Wu, Jianzhong
Zhang, Jia
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Zhang, Jia
Xu, Yunfeng
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Xu, Yunfeng
Liu, Qiang
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Liu, Qiang
Qian, Guangren
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Tianjin Univ, Georgia Tech Shenzhen Inst, Shenzhen 518071, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Chen, Guanyi
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机构:
Yu, Yang
Liang, Lan
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h-index: 0
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Liang, Lan
Duan, Xiaoguang
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h-index: 0
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Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, AustraliaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Duan, Xiaoguang
Li, Rui
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h-index: 0
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Li, Rui
Lu, Xukai
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h-index: 0
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Lu, Xukai
Yan, Beibei
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h-index: 0
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Yan, Beibei
Li, Ning
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
Li, Ning
Wang, Shaobin
论文数: 0引用数: 0
h-index: 0
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Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, AustraliaTianjin Univ, Sch Environm Sci & Engn, Tianjin Engn Res Ctr Bio Gas Oil Technol, Tianjin 300072, Peoples R China
机构:
Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Cui, Yaowen
Ma, Jianlong
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Ma, Jianlong
Wu, Mengjie
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h-index: 0
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Wu, Mengjie
Wu, Jianzhong
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h-index: 0
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MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Wu, Jianzhong
Zhang, Jia
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h-index: 0
机构:
Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Zhang, Jia
Xu, Yunfeng
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h-index: 0
机构:
Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Xu, Yunfeng
Liu, Qiang
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h-index: 0
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Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
Liu, Qiang
Qian, Guangren
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China
MGI Shanghai Univ, Pingxiang City 337022, Jiangxi, Peoples R ChinaShanghai Univ, SHU Ctr Green Urban Min & Ind Ecol, Sch Environm & Chem Engn, 381 Nanchen Rd, Shanghai 200444, Peoples R China