Preparation and Self-assembly of Zirconia Nanoparticles via Hydrothermal Method

• 作 者: 李广慧 洪樟连 杨辉
• 机 构: Department of Materials Science and Engineering Zhejiang University,Department of Materials Science
• 出 处: 结构化学
• 发表日期: 2008年04期
• 关键词: tetragonal assembly hydrothermal producing additives assembled monoclinic varied

Zirconia nanoparticles were synthesized via hydrothermal method without any additives. This work focuses on the effect of preparation conditions, such as the precursor preparation condition and crystallization time of nanocrystallite in autoclave on the properties of as-prepared products. The results indicated that the amount of tetragonal zirconia varied with the preparation conditions. It increased with the increase of the concentration of KOH solution in precursor producing process and reduced with the prolongation of crystallization time. At the same time, the particle size and morphology were also affected by the preparation conditions. In addition, the self-assembled spindle-like aggregates were observed in present works.

Zirconia nanoparticles were synthesized via hydrothermal method without any additives. This work focuses on the effect of preparation conditions, such as the precursor preparation condition and crystallization time of nanocrystallite in autoclave on the properties of as-prepared products. The results indicated that the amount of tetragonal zirconia varied with the preparation conditions. It increased with the increase of the concentration of KOH solution in precursor producing process and reduced with the prolongation of crystallization time. At the same time, the particle size and morphology were also affected by the preparation conditions. In addition, the self-assembled spindle-like aggregates were observed in present works.