Solution Combustion Synthesis of Bi2Mo3O12 and Bi2Mo3O12/MoO3 Composites with Enhanced Photocatalytic Properties

In this study, we synthesized Bi 2 Mo 3 O 12 and Bi 2 Mo 3 O 12 /MoO 3 composites through a simple solution combustion synthesis (SCS) route. The structure, morphology, and photocatalytic property for the degradation of Congo Red (CR) were characterized by x-ray diffraction, scanning electron micros...

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Veröffentlicht in:Journal of electronic materials 2020-09, Vol.49 (9), p.5346-5352
Hauptverfasser: Yang, Zhongxiang, Du, Xiaoni, Shang, Zhichao, Ren, Xuanru, Shen, Chengjin, Wang, Xiaohong
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container_end_page 5352
container_issue 9
container_start_page 5346
container_title Journal of electronic materials
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creator Yang, Zhongxiang
Du, Xiaoni
Shang, Zhichao
Ren, Xuanru
Shen, Chengjin
Wang, Xiaohong
description In this study, we synthesized Bi 2 Mo 3 O 12 and Bi 2 Mo 3 O 12 /MoO 3 composites through a simple solution combustion synthesis (SCS) route. The structure, morphology, and photocatalytic property for the degradation of Congo Red (CR) were characterized by x-ray diffraction, scanning electron microscopy (SEM), x-ray photoelectron spectroscopy and ultraviolet–visible spectrophotometer absorption spectroscopy. The phases of the samples were characterized to be Bi 2 Mo 3 O 1 and Bi 2 Mo 3 O 12 /MoO 3 . The SEM results showed Bi 2 Mo 3 O 12 particles were uniformly distributed on the MoO 3 sheets. Bi 2 Mo 3 O 12 and MoO 3 in the Bi 2 Mo 3 O 12 /MoO 3 composites were clearly demonstrated by the lattice spacing from high-resolution transmission electron microscopy results. The maximum degradation rate of Bi 2 Mo 3 O 12 /MoO 3 composite was 83% at 60 min, showing excellent photocatalytic performance. A possible mechanism is proposed for the degradation of CR over Bi 2 Mo 3 O 12 /MoO 3 composites, in which h + and ·O 2− are the main active species and play an important role in the degradation of pollutants.
doi_str_mv 10.1007/s11664-020-08252-1
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The structure, morphology, and photocatalytic property for the degradation of Congo Red (CR) were characterized by x-ray diffraction, scanning electron microscopy (SEM), x-ray photoelectron spectroscopy and ultraviolet–visible spectrophotometer absorption spectroscopy. The phases of the samples were characterized to be Bi 2 Mo 3 O 1 and Bi 2 Mo 3 O 12 /MoO 3 . The SEM results showed Bi 2 Mo 3 O 12 particles were uniformly distributed on the MoO 3 sheets. Bi 2 Mo 3 O 12 and MoO 3 in the Bi 2 Mo 3 O 12 /MoO 3 composites were clearly demonstrated by the lattice spacing from high-resolution transmission electron microscopy results. The maximum degradation rate of Bi 2 Mo 3 O 12 /MoO 3 composite was 83% at 60 min, showing excellent photocatalytic performance. 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The structure, morphology, and photocatalytic property for the degradation of Congo Red (CR) were characterized by x-ray diffraction, scanning electron microscopy (SEM), x-ray photoelectron spectroscopy and ultraviolet–visible spectrophotometer absorption spectroscopy. The phases of the samples were characterized to be Bi 2 Mo 3 O 1 and Bi 2 Mo 3 O 12 /MoO 3 . The SEM results showed Bi 2 Mo 3 O 12 particles were uniformly distributed on the MoO 3 sheets. Bi 2 Mo 3 O 12 and MoO 3 in the Bi 2 Mo 3 O 12 /MoO 3 composites were clearly demonstrated by the lattice spacing from high-resolution transmission electron microscopy results. The maximum degradation rate of Bi 2 Mo 3 O 12 /MoO 3 composite was 83% at 60 min, showing excellent photocatalytic performance. 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subjects Characterization and Evaluation of Materials
Chemistry and Materials Science
Combustion synthesis
Composite materials
Electron microscopes
Electronics and Microelectronics
Instrumentation
Materials Science
Molybdenum oxides
Molybdenum trioxide
Morphology
Optical and Electronic Materials
Photocatalysis
Photodegradation
Photoelectrons
Pollutants
Scanning electron microscopy
Solid State Physics
Spectrum analysis
title Solution Combustion Synthesis of Bi2Mo3O12 and Bi2Mo3O12/MoO3 Composites with Enhanced Photocatalytic Properties
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