研究目的
The study addresses the synthesis and characterization of nanocomposite films of rGO/MFeO3 (M = Bi, La) nanofibers for enhanced photocatalytic degradation of organic dyes under UV and visible light irradiation.
研究成果
The nanocomposite films of rGO/MFeO3 demonstrated enhanced photocatalytic activities for the degradation of methyl orange under both UV and visible light irradiation, with rGO acting as an electron transfer channel to prevent electron-hole recombination.
研究不足
The study notes the high volatility of bismuth leading to secondary phases in BiFeO3 and the potential for optimization in the synthesis process to avoid these impurities.
1：Experimental Design and Method Selection:
The study employed matrix-assisted pulsed laser evaporation (MAPLE) for the synthesis of nanocomposite films.
2：Sample Selection and Data Sources:
MFO nanofibers were prepared by electrospinning, and GO platelets were used as starting materials.
3：List of Experimental Equipment and Materials:
A frequency-quadrupled Quantel Brilliant B Nd:YAG laser source was used for irradiation.
4：Experimental Procedures and Operational Workflow:
The frozen targets were irradiated under controlled conditions, and the films were characterized using FE-SEM, HRTEM, XRD, and XPS.
5：Data Analysis Methods:
The photocatalytic efficiency was evaluated through the degradation of methyl orange under UV and visible light irradiation.
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