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作者:

Zhao, Zhenxuan (Zhao, Zhenxuan.) | Dai, Hongxing (Dai, Hongxing.) (学者:戴洪兴) | Deng, Jiguang (Deng, Jiguang.) | Liu, Yuxi (Liu, Yuxi.) | Wang, Yuan (Wang, Yuan.) | Li, Xinwei (Li, Xinwei.) | Bai, Guangmei (Bai, Guangmei.) | Gao, Baozu (Gao, Baozu.) | Au, Chak Tong (Au, Chak Tong.)

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摘要:

Porous S-doped bismuth vanadate with an olive-like morphology and its supported iron oxide (y wt.% FeOx/BiVO4-delta S0.08, y = 0.06, 0.76, and 1.40) photocatalysts were fabricated using the dodecylamine-assisted alcohol-hydrothermal and incipient wetness impregnation methods, respectively. It is shown that the y wt.% FeOx/BiVO4-delta S0.08 photocatalysts contained a monoclinic scheetlite BiVO4 phase with a porous olive-like morphology, a surface area of 8.8-9.2 m(2)/g, and a bandgap energy of 2.38-2.42 eV. There was co-presence of surface Bi5+, Bi3+, V5+, V3+, Fe3+, and Fe2+ species in y wt.% FeOx/BiVO4-delta S0.08. The 1.40 wt.% FeOx/BiVO4-delta S0.08 sample performed the best for Methylene Blue degradation under visible-light illumination. The photocatalytic mechanism was also discussed. We believe that the sulfur and FeOx co-doping, higher oxygen adspecies concentration, and lower bandgap energy were responsible for the excellent visible-light-driven catalytic activity of 1.40 wt.% FeOx/BiVO4-delta S0.08.

关键词:

Methylene Blue degradation porous morphology sulfur-doped bismuth vanadate supported iron oxide visible-light-driven photocatalyst

作者机构:

  • [ 1 ] [Zhao, Zhenxuan]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 2 ] [Dai, Hongxing]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 3 ] [Deng, Jiguang]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, Yuxi]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Yuan]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 6 ] [Li, Xinwei]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 7 ] [Bai, Guangmei]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 8 ] [Gao, Baozu]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 9 ] [Au, Chak Tong]Hong Kong Baptist Univ, Dept Chem, Kowloon, Hong Kong, Peoples R China
  • [ 10 ] [Au, Chak Tong]Hong Kong Baptist Univ, Ctr Surface Anal & Res, Kowloon, Hong Kong, Peoples R China

通讯作者信息:

  • 戴洪兴

    [Dai, Hongxing]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF ENVIRONMENTAL SCIENCES

ISSN: 1001-0742

年份: 2013

期: 10

卷: 25

页码: 2138-2149

6 . 9 0 0

JCR@2022

ESI学科: ENVIRONMENT/ECOLOGY;

ESI高被引阀值:228

JCR分区:2

中科院分区:4

被引次数:

WoS核心集被引频次: 23

SCOPUS被引频次: 25

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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