研究目的
Investigating the photocatalytic and antibacterial effects of Ni and S co-doped TiO2 nanomaterials under visible light irradiation.
研究成果
Ni and S co-doped TiO2 nanomaterials exhibited enhanced photocatalytic activity under visible light and significant antibacterial effects. The materials showed potential for environmental and biomedical applications.
研究不足
The study is limited to the photocatalytic degradation of BBR dye and antibacterial activity against specific bacterial strains under visible light. The scalability and practical application in real-world scenarios need further investigation.
1：Experimental Design and Method Selection
Ni and S co-doped TiO2 nanomaterials were synthesized using the sol-gel method. The photocatalytic activity was evaluated by the degradation of Bismarck Brown Red (BBR) dye under visible light irradiation. Antibacterial activity was assessed against Staphylococcus aureus and Pseudomonas fluorescence.
2：Sample Selection and Data Sources
Samples included undoped TiO2 and various weight percentages of Ni and S co-doped TiO2. Data were collected using advanced spectroscopic and analytical techniques.
3：List of Experimental Equipment and Materials
N-butyl tetra ortho titanate, Manganese nitrate, Thiourea, Bismarck brown dye, Ethanol, Nitric acid, High pressure mercury vapour lamp, UV-Vis spectrophotometer, XRD, XPS, BET surface area analyzer, FT-IR spectrometer, TEM, SEM-EDX.
4：Experimental Procedures and Operational Workflow
Synthesis involved sol-gel method followed by calcination. Photocatalytic degradation was monitored by measuring absorbance changes. Antibacterial activity was tested using Agar-well diffusion method.
5：Data Analysis Methods
Data were analyzed using Scherrer equation for crystallite size, Kubelka-Munk formalism for band gap, and statistical techniques for antibacterial activity.
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