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Citation: Wu Zongbin, Wang Liping, Hong Guangyan. Preparation of Nanocrystalline Y₂O₃ in Reverse Micelles and Microemulsions[J]. Chinese Journal of Applied Chemistry, ;1999, 16(6): 9-12. shu

Preparation of Nanocrystalline Y₂O₃ in Reverse Micelles and Microemulsions

1.
Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 14 June 1999
Available Online: 11 August 1999
Fund Project:

Monodisperse nanocrystalline Y₂O₃ in size 30 um was prepared in "microreactors" of reverse micelles and microemulsions, formed from cetyltrimethyl ammonium bromide, butanol and Y(NO₃)₃ in cyclohexane.The mechanism of the crystalline formation has been discussed based on the results of TG-DTA, XRD and TEM measurements.The addition of butanol showed a great influence on the stability of the microreactor membrane.The optimum content of butanol was found.The size of Y₂O₃ depended on the calcination temperature: the higher the temperature, the larger the nanocrystalline.
- Y₂O₃,
- nanocrystalline,
- preparation,
- reverse micell,
- microemulsion
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Preparation of Nanocrystalline Y₂O₃ in Reverse Micelles and Microemulsions