原位合成Bi3O4Br/Bi12O17Br2光催化剂及其对磺胺甲噁唑降解性能
X131.2%X703.1; BixOyBrz光催化剂在有机药物废水处理领域有着非常广阔的潜在应用价值,但因光生电子和空穴的快速复合而表现出较低的光催化效率,进而限制了其应用范围.通过简易的水解-焙烧法原位制得一种新型的Bi3O4Br/Bi12O17Br2复合光催化剂,并以磺胺甲噁唑(SMX)为模拟药物污染物进行了光催化性能测试,对所制催化剂进行了X射线衍射(XRD)、X射线光电子能谱(XPS)、扫描电子显微镜(SEM)、紫外可见漫反射光谱(UV-Vis DRS)、电化学阻抗(EIS)、光致发光光谱(PL)等表征.结果表明所制备的Bi3O4Br/Bi12O17Br2复合光催化剂具有较强的光生载...
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| Published in | 人工晶体学报 Vol. 50; no. 9; pp. 1735 - 1744 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
太原理工大学环境科学与工程学院,太原 030024
01.09.2021
太原理工大学化学化工学院,太原 030024%太原理工大学环境科学与工程学院,太原 030024%太原理工大学化学化工学院,太原 030024 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-985X |
| DOI | 10.3969/j.issn.1000-985X.2021.09.018 |
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| Abstract | X131.2%X703.1; BixOyBrz光催化剂在有机药物废水处理领域有着非常广阔的潜在应用价值,但因光生电子和空穴的快速复合而表现出较低的光催化效率,进而限制了其应用范围.通过简易的水解-焙烧法原位制得一种新型的Bi3O4Br/Bi12O17Br2复合光催化剂,并以磺胺甲噁唑(SMX)为模拟药物污染物进行了光催化性能测试,对所制催化剂进行了X射线衍射(XRD)、X射线光电子能谱(XPS)、扫描电子显微镜(SEM)、紫外可见漫反射光谱(UV-Vis DRS)、电化学阻抗(EIS)、光致发光光谱(PL)等表征.结果表明所制备的Bi3O4Br/Bi12O17Br2复合光催化剂具有较强的光生载流子分离率、较低的界面电荷转移电阻,进而展示出优异的光催化降解SMX性能,在模拟太阳光下照射30 min,SMX降解率达到87%,相较于纯的Bi3O4Br和Bi12O17Br2催化剂,降解率分别提升了30%和24%.最后基于自由基捕获实验和催化剂能带结构分析了所制催化剂的降解机理. |
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| AbstractList | X131.2%X703.1; BixOyBrz光催化剂在有机药物废水处理领域有着非常广阔的潜在应用价值,但因光生电子和空穴的快速复合而表现出较低的光催化效率,进而限制了其应用范围.通过简易的水解-焙烧法原位制得一种新型的Bi3O4Br/Bi12O17Br2复合光催化剂,并以磺胺甲噁唑(SMX)为模拟药物污染物进行了光催化性能测试,对所制催化剂进行了X射线衍射(XRD)、X射线光电子能谱(XPS)、扫描电子显微镜(SEM)、紫外可见漫反射光谱(UV-Vis DRS)、电化学阻抗(EIS)、光致发光光谱(PL)等表征.结果表明所制备的Bi3O4Br/Bi12O17Br2复合光催化剂具有较强的光生载流子分离率、较低的界面电荷转移电阻,进而展示出优异的光催化降解SMX性能,在模拟太阳光下照射30 min,SMX降解率达到87%,相较于纯的Bi3O4Br和Bi12O17Br2催化剂,降解率分别提升了30%和24%.最后基于自由基捕获实验和催化剂能带结构分析了所制催化剂的降解机理. |
| Author | 张璐璐 谢芳霞 张小超 王雅文 李瑞 张潇 樊彩梅 |
| AuthorAffiliation | 太原理工大学环境科学与工程学院,太原 030024;太原理工大学化学化工学院,太原 030024%太原理工大学环境科学与工程学院,太原 030024%太原理工大学化学化工学院,太原 030024 |
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| Author_FL | WANG Yawen ZHANG Lulu FAN Caimei LI Rui ZHANG Xiaochao ZHANG Xiao XIE Fangxia |
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| DocumentTitle_FL | In-Situ Preparation of Bi3O4Br/Bi12O17Br2 Photocatalyst and Their Degradation Performances of Sulfamethoxazole |
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| Keywords | BixOyBrz光催化剂;复合光催化剂;原位合成;降解;光催化性能;水解-焙烧法;磺胺甲噁唑 |
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| Publisher | 太原理工大学环境科学与工程学院,太原 030024 太原理工大学化学化工学院,太原 030024%太原理工大学环境科学与工程学院,太原 030024%太原理工大学化学化工学院,太原 030024 |
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| Title | 原位合成Bi3O4Br/Bi12O17Br2光催化剂及其对磺胺甲噁唑降解性能 |
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