Method for making metal oxide nanocrystal

Details Method for making metal oxide nanocrystal Method for making metal oxide nanocrystal

2011-08-09

2011-08-09

Silverman, Stanley (Department: 1736)

Chemistry of inorganic compounds

Rare earth compound

C423S592100, C423S594190, C423S605000, C423S622000

Reexamination Certificate

active

07993618

ABSTRACT:
A method for making the metal oxide includes the following steps: mixing a metal nitrate with a solvent of octadecyl amine, and achieving a mixture; agitating and reacting the mixture at a reaction temperature for a reaction period; cooling the mixture to a cooling temperature, and achieving a deposit; and washing the deposit with an organic solvent, drying the deposit at a drying temperature and achieving a metal oxide nanocrystal. The present method for making a metal oxide nanocrystal is economical and timesaving, and has a low toxicity associated therewith. Thus, the method is suitable for industrial mass production. The metal oxide nanocrystal material made by the present method has a readily controllable size, a narrow size distribution, and good crystallinity.

REFERENCES:
Chunwen Sun et al., “Controlled synthesis of CeO2 nanorods by a solvothermal method”, (2005), Institute of Physics Publishing/Nanotechnology, 16, 1454-1463.
Ru Yang et al., “Synthesis of cubic fluorite CeO2 nanowires”, (2005), Journal of Materials Science, 40, 1305-1307.
Sun, Chunwen, Li, Hong, Zhang, Huairuo, Wang, Zhaoxiang, and Chen, Liquan, “Controlled Synthesis of CeO2 Nanorods by a Solvothermal Method,” Jun. 29, 2005, IOP Publishing Ltd, Nanotechnology 16, 1454-1463.

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