研究目的
To investigate the synthesis, characterization, and photocatalytic activity of boron-doped titanium dioxide nanotubes.
研究成果
Boron-doped titanium dioxide nanotubes showed improved photocatalytic activity up to 5% boron doping, achieving 81% degradation efficiency of methylene blue. Higher boron content decreased the efficiency.
研究不足
Higher boron doping (>5%) resulted in decreased photocatalytic efficiency.
1：Experimental Design and Method Selection:
Hydrothermal method was used to prepare undoped and boron-doped titanium dioxide nanotubes.
2：Sample Selection and Data Sources:
Titanium dioxide powder was treated with NaOH solution to form a mixture, then reacted in a teflon lined stainless steel autoclave.
3：List of Experimental Equipment and Materials:
Xeray diffractometer, field-emission scanning electron microscopy, transmission electron microscopy, FT-IR spectrometer, Raman microscope, Micromeritics Tristar 3020 instrument.
4：Experimental Procedures and Operational Workflow:
The suspension was moved into an autoclave and reacted at 140°C for 18 h, then washed with HCl and distilled water, dried, and calcined.
5：Data Analysis Methods:
The photocatalytic activity was evaluated by methylene blue degradation, and degradation efficiency was calculated.
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Xeray diffractometer
D8 Advance
Bruker Instrument Co., Ltd. Germany
Phase identification of the produced nanotubes
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Field-emission scanning electron microscopy
ZEISS Ultraplus
ZEISS
Investigate microstructural features of the nanotubes
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FT-IR spectrometer
Bruker Optics IFS 66v/s
Bruker Optics
Collect FT-IR spectra from 4000 to 400 cm-1
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Raman microscope
Bruker Senterra Dispersive Raman microscope
Bruker
Raman measurements of the produced nanotubes
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Micromeritics Tristar 3020 instrument
Tristar 3020
Micromeritics
Determine specific surface area of the manufactured nanotube samples by nitrogen adsorption at 77 K via Brunauer Emmett-Teller (BET) method
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