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- Title
Solution Combustion Synthesis of Bi2Mo3O12 and Bi2Mo3O12/MoO3 Composites with Enhanced Photocatalytic Properties.
- Authors
Yang, Zhongxiang; Du, Xiaoni; Shang, Zhichao; Ren, Xuanru; Shen, Chengjin; Wang, Xiaohong
- Abstract
In this study, we synthesized Bi2Mo3O12 and Bi2Mo3O12/MoO3 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 Bi2Mo3O1and Bi2Mo3O12/MoO3. The SEM results showed Bi2Mo3O12 particles were uniformly distributed on the MoO3 sheets. Bi2Mo3O12 and MoO3 in the Bi2Mo3O12/MoO3 composites were clearly demonstrated by the lattice spacing from high-resolution transmission electron microscopy results. The maximum degradation rate of Bi2Mo3O12/MoO3 composite was 83% at 60 min, showing excellent photocatalytic performance. A possible mechanism is proposed for the degradation of CR over Bi2Mo3O12/MoO3 composites, in which h+ and ·O2− are the main active species and play an important role in the degradation of pollutants.
- Subjects
SELF-propagating high-temperature synthesis; X-ray photoelectron spectroscopy; TRANSMISSION electron microscopy; ULTRAVIOLET-visible spectroscopy; SCANNING electron microscopy
- Publication
Journal of Electronic Materials, 2020, Vol 49, Issue 9, p5346
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-020-08252-1