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Author:

Liu, Yunfeng (Liu, Yunfeng.) | Peng, Chao (Peng, Chao.) | Cai, Yongfeng (Cai, Yongfeng.) | Liu, Zuotao (Liu, Zuotao.) | Shen, Yi (Shen, Yi.) | Li, Fengfeng (Li, Fengfeng.)

Indexed by:

EI Scopus SCIE

Abstract:

AgBr/BiVO(4)photocatalysts with heterojunction structures were prepared using a hydrothermal method. To analyse phase composition and microstructure, samples were characterised by X-ray diffraction and scanning electron microscopy, respectively. Photoluminescence measurements were used to characterise the recombination rate of photogenerated electron-hole pairs. The phase structure, chemical state and optical properties of heterojunctions were analysed by UV-visible diffuse-reflectance spectrometry. AgBr/BiVO(4)showed high efficiency for the degradation of rhodamine B under visible light irradiation. Hydrothermal temperature and pH values exhibited significant influence on band gap energy and the recombination rate of electron-hole pairs of AgBr/BiVO4, reflective of photocatalytic properties. Results show that at 160 degrees C and pH of 7 AgBr/BiVO(4)achieved the best photocatalytic activity, for which the visible light-absorption range of the AgBr/BiVO(4)heterojunction was significantly enhanced. Photodegradation catalysis of RhB was most efficiently achieved at a level of approximately 56.72% for a reaction time of 140 min.

Keyword:

photocatalytic activity AgBr pH BiVO4 hydrothermal temperature

Author Community:

  • [ 1 ] [Liu, Yunfeng]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 2 ] [Peng, Chao]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 3 ] [Cai, Yongfeng]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 4 ] [Liu, Zuotao]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 5 ] [Shen, Yi]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 6 ] [Li, Fengfeng]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China
  • [ 7 ] [Cai, Yongfeng]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing, Peoples R China

Reprint Author's Address:

  • [Shen, Yi]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China;;[Li, Fengfeng]North China Univ Sci & Technol, Key Lab Environm Funct Mat Tangshan City, Hebei Prov Key Lab Inorgan Nonmetall Mat, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China

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Source :

MATERIALS TECHNOLOGY

ISSN: 1066-7857

Year: 2020

Issue: 2

Volume: 37

Page: 104-111

3 . 1 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:169

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 19

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