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author:

Tang, Liang (Tang, Liang.) [1] | Lv, Zhong-qian (Lv, Zhong-qian.) [2] | Xue, Yuan-cheng (Xue, Yuan-cheng.) [3] | Xu, Ling (Xu, Ling.) [4] | Qiu, Wen-hui (Qiu, Wen-hui.) [5] | Zheng, Chun-miao (Zheng, Chun-miao.) [6] | Chen, Wen-qian (Chen, Wen-qian.) [7] | Wu, Ming-hong (Wu, Ming-hong.) [8] (Scholars:吴明红)

Indexed by:

SCIE

Abstract:

In this work, a series of BiOBr/MIL-53(Fe) hybrid photocatalysts have prepared by a facile co-precipitation method. Rhodamine B (RhB) and carbamazepine (CBZ) were selected as the targets to evaluate the visible-light photocatalytic activity of the prepared samples. All of the hybrids exhibited better catalytic performance compared to the pristine BiOBr, and the performance of BiOBr/MIL-53 (with 20 wt% of MIL-53) was the most efficient. The excellent performance can be contributed to the incorporation of MIL-53(Fe) which not only form the heterojunction with BiOBr to inhibit the recombination of the photoinduced electron-hole pairs, but also utilize the visible light more effectively. The photocatalytic mechanism was studied, it shows that center dot OH and h(+) were both the main active species for the degradation of contaminants. Moreover, the degradation pathways of CBZ via the photocatalysis over BiOBr/MIL-53(Fe) hybrid were presented based on the determination of LC-MS/MS and the results of catalytic mechanisms. With the recent increase in reported MOFs materials, we believe a new class of hybrid catalytic materials is possible. This result is conceptually interesting as it opens the door to various MOF-based BiOBr materials for environmental purification and restoration.

Keyword:

BiOBr Carbamazepine (CBZ) Degradation pathway Heterojunction MIL-53(Fe)

Community:

  • [ 1 ] [Tang, Liang]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 2 ] [Lv, Zhong-qian]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 3 ] [Xue, Yuan-cheng]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 4 ] [Xu, Ling]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 5 ] [Chen, Wen-qian]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 6 ] [Wu, Ming-hong]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 7 ] [Tang, Liang]Minist Educ, Key Lab Organ Compound Pollut Control Engn, Shanghai 200444, Peoples R China
  • [ 8 ] [Wu, Ming-hong]Minist Educ, Key Lab Organ Compound Pollut Control Engn, Shanghai 200444, Peoples R China
  • [ 9 ] [Qiu, Wen-hui]Southern Univ Sci & Technol, Guangdong Prov Key Lab Soil & Groundwater Pollut, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China
  • [ 10 ] [Zheng, Chun-miao]Southern Univ Sci & Technol, Guangdong Prov Key Lab Soil & Groundwater Pollut, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China

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Source :

CHEMICAL ENGINEERING JOURNAL

ISSN: 1385-8947

Year: 2019

Volume: 374

Page: 975-982

1 0 . 6 5 2

JCR@2019

1 3 . 4 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 128

SCOPUS Cited Count: 132

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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