研究目的
Investigating the uniform fabrication and morphology control of ultrafine BaTiO3 nanocrystals using a "TEG-sol" method.
研究成果
The "TEG-sol" method is effective for the uniform fabrication of ultrafine BaTiO3 nanocrystals with controlled morphology. The method is simple, low-cost, and scalable for industrial production. The surface organics play a critical role in determining the crystal size and morphology.
研究不足
The study is limited to the synthesis of BaTiO3 nanocrystals using the "TEG-sol" method and does not explore other perovskite materials or synthesis methods.
1：Experimental Design and Method Selection:
The "TEG-sol" method was used to synthesize ultrafine BaTiO3 nanocrystals by varying reactant concentrations and Ba/Ti ratios.
2：Sample Selection and Data Sources:
Barium hydroxide octahydrate, tetrabutyl titanate, polyvinylpyrrolidone, and triethylene glycol were used as chemical reagents.
3：List of Experimental Equipment and Materials:
X-ray diffractometer, X-ray fluorescence spectrometer, confocal microscopic Raman spectrometer, and transmission electron microscope were used.
4：Experimental Procedures and Operational Workflow:
The reactant mixture was heated in an oil bath at 160 °C for 2 h with magnetic stir. After the reaction, the products were washed and dried.
5：Data Analysis Methods:
XRD, XRF, Raman spectroscopy, TEM, and EDS were used for analysis.
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