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Preparation and thermal conductivity of CuO nanofluid via a wet chemical method

Haitao Zhu*, Dongxiao Han, Zhaoguo Meng, Daxiong Wu and Canying Zhang

Author Affiliations

College of Materials Science & Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China

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Nanoscale Research Letters 2011, 6:181  doi:10.1186/1556-276X-6-181

Published: 28 February 2011


In this article, a wet chemical method was developed to prepare stable CuO nanofluids. The influences of synthesis parameters, such as kinds and amounts of copper salts, reaction time, were studied. The thermal conductivities of CuO nanofluids were also investigated. The results showed that different copper salts resulted in different particle morphology. The concentration of copper acetate and reaction time affected the size and shape of clusters of primary nanoparticles. Nanofluids with different microstructures could be obtained by changing the synthesis parameters. The thermal conductivities of CuO nanofluids increased with the increase of particle loading.