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Proceedings Paper

Influence of SDBS on stability of Al2O3 nano-suspensions
Author(s): Xian-Ju Wang; Xin-Fang Li; Nan Wang; Xue-Yi Wen; Qiong Long
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Paper Abstract

In this paper, the stability of Al2O3 nano-particles in water were investigated at different pH values and different concentration of sodium dodecylbenzenesulfonate (SDBS) dispersant by measurement of the zeta potential and absorbency. The experimental results show that zeta potential is relation with absorbency, and the higher magnitude of zeta potential corresponds to the higher absorbency, and the better dispersion and good stability of the Al2O3-H2O nano-suspensions. It is also found that the concentration of SDBS can significantly affect the value of zeta potential and absorbency. The experimental results show that for SDBS there is an optimizing concentration in the nanofluids which can induce high zeta potential and high absorbency, and that in 0.1% Al2O3 -H2O nano-suspensions the optimizing concentration of SDBS is 0.09%, which has the best disperse results of the nanofluids.

Paper Details

Date Published: 4 January 2008
PDF: 6 pages
Proc. SPIE 6831, Nanophotonics, Nanostructure, and Nanometrology II, 683113 (4 January 2008); doi: 10.1117/12.755637
Show Author Affiliations
Xian-Ju Wang, South China Univ. of Technology (China)
Navy Arms of Services Command Academy (China)
Xin-Fang Li, South China Univ. of Technology (China)
Nan Wang, South China Univ. of Technology (China)
Xue-Yi Wen, Navy Arms of Services Command Academy (China)
Qiong Long, Navy Arms of Services Command Academy (China)


Published in SPIE Proceedings Vol. 6831:
Nanophotonics, Nanostructure, and Nanometrology II
Xing Zhu; Stephen Y. Chou; Yasuhiko Arakawa, Editor(s)

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