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Citation: ZHU Qi-Yong, ZHOU Xing-Fu, CHU Dao-Bao. Synthesis of Nanocrystalline Al₂O₃ by Using Aluminium as Sacrificing Anode[J]. Chinese Journal of Applied Chemistry, ;2004, 21(1): 90-92. shu

Synthesis of Nanocrystalline Al₂O₃ by Using Aluminium as Sacrificing Anode

1.
a Department of chemistry, Huainan Normal University, Huainan 232001;
2.
b School of Chemistry and Materials Science, Anhui Normal University, Wuhu

Corresponding author: ZHU Qi-Yong,
Received Date: 30 April 2003
Available Online: 30 April 2003
Fund Project: 安徽省教育厅自然科学基金(2003KJ19ZC) (2003KJ19ZC)安徽省高等学校青年教师科研基金资助项目(2003jql60) (2003jql60)

The precursor Al(OEt)_m (acac)_n was prepared by using metal aluminium as sacrificing anode in the alcohol solution with Bu₄NBr as supporting electrolyte, the temperature was controlled at 40~60℃. Metallic anode was dissolved and reduction reaction occurred on cathode. Nanocrystalline Al₂O₃ was prepared by direct hydrolysis of the electrolyte solution and sol-gel processing. FT-IR spectroscopy, TEM and XRD have been used to characterize the structure of the precursor and nanocrystalline Al₂O₃. The results showed that Al₂O₃ is of spiculate structure with size ranged in 5~10 nm.
- anodic dissolution,
- sol-gel,
- nanocrystalline Al₂O₃
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Synthesis of Nanocrystalline Al₂O₃ by Using Aluminium as Sacrificing Anode