研究目的
To synthesize a C-In2O3/BiOI composite and evaluate its enhanced photocatalytic degradation performance for methyl blue under visible light irradiation.
研究成果
The C-In2O3/BiOI composite exhibits significantly enhanced photocatalytic performance for methyl blue degradation under visible light, attributed to improved charge separation and light absorption. It shows excellent stability over multiple cycles, suggesting potential for environmental applications in pollutant degradation.
研究不足
The paper does not explicitly discuss limitations, but potential areas include scalability of synthesis, cost-effectiveness, and application to other pollutants or real wastewater conditions.
1：Experimental Design and Method Selection:
The study employs a hydrothermal method for synthesizing C-In2O3/BiOI composites, with characterization techniques including XRD, Raman spectroscopy, SEM, photocurrent response, EIS, and UV-vis spectrophotometry to analyze structural, morphological, and optical properties. Photocatalytic activity is assessed through degradation experiments of methyl blue under visible light.
2：Sample Selection and Data Sources:
Samples include pristine In2O3, C-In2O3, and C-In2O3/BiOI composites, synthesized and characterized. Methyl blue is used as the model pollutant.
3：List of Experimental Equipment and Materials:
Equipment includes XRD (model not specified), Raman spectrometer (model not specified), SEM (model not specified), photocurrent measurement system with a standard three-electrode setup, EIS analyzer, and UV-vis spectrophotometer. Materials include precursors for In2O3, carbon, and BiOI.
4：Experimental Procedures and Operational Workflow:
Synthesis via hydrothermal method, followed by characterization steps. Photocatalytic tests involve irradiating methyl blue solutions with catalysts under visible light, sampling at intervals to measure degradation.
5：Data Analysis Methods:
Data analysis includes calculating degradation rates and rate constants from absorbance measurements, and interpreting spectra and electrochemical data.
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