Advances in Bi2WO6-Based Photocatalysts for Degradation of Organic Pollutants

With the rapid development of modern industries, water pollution has become an urgent problem that endangers the health of human and wild animals. The photocatalysis technique is considered an environmentally friendly strategy for removing organic pollutants in wastewater. As an important member of...

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Published inMolecules (Basel, Switzerland) Vol. 27; no. 24; p. 8698
Main Authors Jiang, Haiyan, He, Jiahua, Deng, Changyi, Hong, Xiaodong, Liang, Bing
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 08.12.2022
MDPI
Subjects
Bi2WO6
Bismuth compounds
Carbon nitride
composite
Composite materials
Controllability
degradation performance
Efficiency
Electronics industry
Gold
Industrial development
Light
Metal sulfides
Microstructure
Morphology
Nanoparticles
Photocatalysis
Photocatalysts
Photodegradation
Pollutant removal
Pollutants
Review
Semiconductors
Silver
Surfactants
Tungstates
Wastewater
Wastewater pollution
Water pollution
Wild animals
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Summary:With the rapid development of modern industries, water pollution has become an urgent problem that endangers the health of human and wild animals. The photocatalysis technique is considered an environmentally friendly strategy for removing organic pollutants in wastewater. As an important member of Bi-series semiconductors, Bi2WO6 is widely used for fabricating high-performance photocatalysts. In this review, the recent advances of Bi2WO6-based photocatalysts are summarized. First, the controllable synthesis, surface modification and heteroatom doping of Bi2WO6 are introduced. In the respect of Bi2WO6-based composites, existing Bi2WO6-containing binary composites are classified into six types, including Bi2WO6/carbon or MOF composite, Bi2WO6/g-C3N4 composite, Bi2WO6/metal oxides composite, Bi2WO6/metal sulfides composite, Bi2WO6/Bi-series composite, and Bi2WO6/metal tungstates composite. Bi2WO6-based ternary composites are classified into four types, including Bi2WO6/g-C3N4/X, Bi2WO6/carbon/X, Bi2WO6/Au or Ag-based materials/X, and Bi2WO6/Bi-series semiconductors/X. The design, microstructure, and photocatalytic performance of Bi2WO6-based binary and ternary composites are highlighted. Finally, aimed at the existing problems in Bi2WO6-based photocatalysts, some solutions and promising research trends are proposed that would provide theoretical and practical guidelines for developing high-performance Bi2WO6-based photocatalysts.
Bibliography:ObjectType-Article-2
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ObjectType-Review-1
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27248698