研究目的
Investigation of the synthesis of TiO2 nanowires via hydrothermal method and their photocatalytic activity in the removal of Rhodamine B (RhB) as a model pollutant.
研究成果
TiO2 nanowires synthesized via hydrothermal method and calcined at 800 ℃ exhibited high photocatalytic activity in the removal of RhB, outperforming TiO2-P25 nanoparticles. The stability of the anatase phase at high temperatures and the morphology of the nanowires were key factors in their enhanced photocatalytic performance.
研究不足
The study focuses on the photocatalytic activity of TiO2 nanowires under UV-A light and does not explore their performance under visible light or other conditions. The stability of the anatase phase at high temperatures is noted, but long-term stability under operational conditions is not extensively discussed.
1：Experimental Design and Method Selection:
TiO2 nanowires were synthesized via hydrothermal method at various calcination temperatures and characterized using XRD, TEM, and BET techniques.
2：Sample Selection and Data Sources:
TiO2-P25 nanoparticles were used as the starting material.
3：List of Experimental Equipment and Materials:
XRD (Advance D8 and Pert Pro’X), TEM (Zeiss-EM10C-100 kV), BET specific surface area and pore size distribution (Belsorp Mini II), ultrasonic bath (Elma T460/H, 35 kHz, and 170 W), UV–Vis spectrophotometer (Shimadzu UV-1700).
4：0). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Synthesis of TNWs through hydrothermal method, calcination at various temperatures, photocatalytic activity measurement under UV-A light.
5：Data Analysis Methods:
Analysis of photocatalytic activity based on RhB removal percent.
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