Broad-spectrum response NCQDs/Bi2O2CO3 heterojunction nanosheets for ciprofloxacin photodegradation: Unraveling the unique roles of NCQDs upon different light irradiation
被引:47
作者:
Hu, Xin
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机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Hu, Xin
[1
]
Zhao, Huiping
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机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Zhao, Huiping
[1
]
Liang, Ying
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Arts & Sci, Sch Chem Engn, Xiangyang 441053, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Liang, Ying
[2
]
Chen, Fengxi
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Wuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Chen, Fengxi
[1
]
Li, Jun
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机构:
Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450002, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Li, Jun
[3
]
Chen, Rong
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h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450002, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
Chen, Rong
[1
,3
]
机构:
[1] Wuhan Inst Technol, Sch Chem & Environm Engn, Hubei Key Lab Novel Reactor & Green Chem Technol, Wuhan 430205, Peoples R China
[2] Hubei Univ Arts & Sci, Sch Chem Engn, Xiangyang 441053, Peoples R China
[3] Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450002, Peoples R China
Carbon quantum dots;
Bi2O2CO3;
Near infrared light;
Electron transfer pathways;
Ciprofloxacin;
CARBON QUANTUM DOTS;
ENHANCED PHOTOCATALYTIC ACTIVITY;
OXYGEN VACANCY;
ELECTRON MEDIATOR;
FACILE SYNTHESIS;
CHARGE-TRANSFER;
DEGRADATION;
PERFORMANCE;
MECHANISM;
BI2O2CO3;
D O I:
10.1016/j.chemosphere.2020.128434
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
N-doped carbon quantum dots (NCQDs) decorated Bi2O2CO3 heterojunction nanosheets have been successfully constructed by a facile hydrothermal method. The obtained NCQDs/Bi2O2CO3 heterojunction exhibits a wide-spectrum absorption ability and remarkably enhanced photocatalytic activities for ciprofloxacin photodegradation from ultraviolet to near-infrared region. The critical roles of NCQDs and two different charge separation and transfer processes of NCQDs/Bi2O2CO3 heterojunction under different light irradiations have been elucidated. Upon UV light irradiation, NCQDs act as electron reservoirs and a Z-scheme charge transfer process between Bi2O2CO3 and NCQDs promotes electrons transfer and center dot O-2(-) reactive species generation. Under visible and NIR light irradiation, NCQDs act as photosensitizer (hole reservoirs) to harvest solar light and a type-II heterojunction leads to an efficient charge carrier separation and thus high catalytic ability. The mechanisms and pathways of ciprofloxacin degradation driven by different lights are discussed accordingly. This work provides a versatile pathway to well design an efficient wide-spectrum response photocatalyst. (C) 2020 Elsevier Ltd. All rights reserved.
机构:
Jiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Nanyang Technol Univ, Sch Mat Sci & Engn, Ctr Programmable Mat, Singapore 639798, SingaporeJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Di, Jun
;
Xia, Jiexiang
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Xia, Jiexiang
;
Chisholm, Matthew F.
论文数: 0引用数: 0
h-index: 0
机构:
Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chisholm, Matthew F.
;
Zhong, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Soochow Univ, Inst Funct Nano & Soft Mat, Suzhou 215123, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Zhong, Jun
;
Chen, Chao
论文数: 0引用数: 0
h-index: 0
机构:
Nanyang Technol Univ, Sch Mat Sci & Engn, Ctr Programmable Mat, Singapore 639798, SingaporeJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chen, Chao
;
Cao, Xingzhong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst High Energy Phys, Multidiscipline Res Div, Beijing 100049, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Cao, Xingzhong
;
Dong, Fan
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Technol & Business Univ, Coll Environm & Resources, Chongqing 400067, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Dong, Fan
;
Chi, Zhen
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chi, Zhen
;
Chen, Hailong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chen, Hailong
;
Weng, Yu-Xiang
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
机构:
Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
机构:
Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Hu, Chao
;
Li, Mingyu
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机构:
Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Liaoning Key Lab Energy Mat & Chem Engn, Dalian 116024, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Li, Mingyu
;
Qiu, Jieshan
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机构:
Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Liaoning Key Lab Energy Mat & Chem Engn, Dalian 116024, Peoples R China
Beijing Univ Chem Technol, Coll Chem Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Qiu, Jieshan
;
Sun, Ya-Ping
论文数: 0引用数: 0
h-index: 0
机构:
Clemson Univ, Dept Chem, Clemson, SC 29634 USA
Clemson Univ, Lab Emerging Mat & Technol, Clemson, SC 29634 USAXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Hu, Xin
;
Zhao, Huiping
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Zhao, Huiping
;
Liang, Ying
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Arts & Sci, Sch Chem Engn, Xiangyang 441053, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Liang, Ying
;
Chen, Rong
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
机构:
Jiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Nanyang Technol Univ, Sch Mat Sci & Engn, Ctr Programmable Mat, Singapore 639798, SingaporeJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Di, Jun
;
Xia, Jiexiang
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Xia, Jiexiang
;
Chisholm, Matthew F.
论文数: 0引用数: 0
h-index: 0
机构:
Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chisholm, Matthew F.
;
Zhong, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Soochow Univ, Inst Funct Nano & Soft Mat, Suzhou 215123, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Zhong, Jun
;
Chen, Chao
论文数: 0引用数: 0
h-index: 0
机构:
Nanyang Technol Univ, Sch Mat Sci & Engn, Ctr Programmable Mat, Singapore 639798, SingaporeJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chen, Chao
;
Cao, Xingzhong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst High Energy Phys, Multidiscipline Res Div, Beijing 100049, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Cao, Xingzhong
;
Dong, Fan
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Technol & Business Univ, Coll Environm & Resources, Chongqing 400067, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Dong, Fan
;
Chi, Zhen
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chi, Zhen
;
Chen, Hailong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
Chen, Hailong
;
Weng, Yu-Xiang
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R ChinaJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
机构:
Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USAJiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
机构:
Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Hu, Chao
;
Li, Mingyu
论文数: 0引用数: 0
h-index: 0
机构:
Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Liaoning Key Lab Energy Mat & Chem Engn, Dalian 116024, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Li, Mingyu
;
Qiu, Jieshan
论文数: 0引用数: 0
h-index: 0
机构:
Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Liaoning Key Lab Energy Mat & Chem Engn, Dalian 116024, Peoples R China
Beijing Univ Chem Technol, Coll Chem Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R ChinaXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
Qiu, Jieshan
;
Sun, Ya-Ping
论文数: 0引用数: 0
h-index: 0
机构:
Clemson Univ, Dept Chem, Clemson, SC 29634 USA
Clemson Univ, Lab Emerging Mat & Technol, Clemson, SC 29634 USAXi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Peoples R China
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Hu, Xin
;
Zhao, Huiping
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Zhao, Huiping
;
Liang, Ying
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Arts & Sci, Sch Chem Engn, Xiangyang 441053, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China
Liang, Ying
;
Chen, Rong
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R ChinaWuhan Inst Technol, Sch Chem & Environm Engn, Donghu New & High Technol Dev Zone, Wuhan 430205, Hubei, Peoples R China