Effects of pH on the Photocatalytic Activity and Degradation Mechanism of Rhodamine B over Fusiform Bi Photocatalysts under Visible Light
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Synthesis of Fusiform Bi
2.3. Characterizations
2.4. Photocatalytic Activity
3. Results and Discussion
3.1. Fusiform Bi Characterization
3.2. Analysis of Optical Properties
3.3. BET Analysis and Adsorption
3.4. Photodegradation of RhB over Fusiform Bi
3.5. XPS and FTIR Analyses
3.6. Potential Photocatalytic Mechanisms
3.7. Degradation Pathways of RhB
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Nomenclature
RhB | Rhodamine B |
COD | Chemical oxygen demand |
TOC | Total organic carbon |
pH | Potential of hydrogen |
Superoxide anion radical | |
•OH | Hydroxyl radical |
e− | Electron |
h+ | Hole |
VB | Valence band |
CB | Conduction band |
RHE | Reversible hydrogen electrode |
SSA | Specific surface area |
EIS | Electrochemical impedance spectroscopy |
EPR | Electron paramagnetic resonance |
m/z | Mass charge ratio |
Eg | Band gap energy value |
SPR | Surface plasmon resonance |
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Chen, Y.; Ma, D.; He, G.; Pan, S. Effects of pH on the Photocatalytic Activity and Degradation Mechanism of Rhodamine B over Fusiform Bi Photocatalysts under Visible Light. Water 2024, 16, 2389. https://doi.org/10.3390/w16172389
Chen Y, Ma D, He G, Pan S. Effects of pH on the Photocatalytic Activity and Degradation Mechanism of Rhodamine B over Fusiform Bi Photocatalysts under Visible Light. Water. 2024; 16(17):2389. https://doi.org/10.3390/w16172389
Chicago/Turabian StyleChen, Yuli, Dechong Ma, Guowen He, and Sai Pan. 2024. "Effects of pH on the Photocatalytic Activity and Degradation Mechanism of Rhodamine B over Fusiform Bi Photocatalysts under Visible Light" Water 16, no. 17: 2389. https://doi.org/10.3390/w16172389