期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 90, 期 1, 页码 107-110出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1551-2916.2006.01402.x
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Colloidal suspensions of copper oxide (CuO) nanoparticles were prepared by an alcothermal method, in which copper acetate was reacted with sodium hydroxide in the presence of acetic acid in ethanol at 78 degrees C. The prepared suspension was stable for up to 1 month without stabilizers such as surfactants. Transmission electron microscopy analyses revealed that the suspension contained nanosized CuO particles of 5-10 nm size with a narrow size distribution. Nanoparticulate CuO films packed with grains smaller than 60 nm were fabricated on Si substrates by spin coating a suspension of CuO nanoparticles and subsequent heat treatment at 500 degrees C.
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