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2010•Journal of Shaanxi University of Science & TechnologyRequires access

STABILITY OF NANO-SIZED ANTIMONY DOPED TIN OXIDE IN AQUEOUS SUSPENSION

Jie Yan

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Abstract

In this study, a dispersed stable suspension of nano-sized antimony doped tin oxide(ATO) was prepared by dispersing nano-siezed ATO with anion, cationic or nonionic surfactants. According to the theory of dispersion stability, ball mill was carried out by about 40 min on the ATO dispersion with different dispersants. The influence of the sort and concentration of dispersants,pH, zeta potential, and dispersed mechanism were investigated. The results showed that stable ATO suspension can be obtained after being milled for 40 min by adding about 0.6wt% anionic dispersant of sodium polyacrylate, keeping pH value at 6.5～8.5 in deionic water. The particles of nano-sized ATO was dispersed well, and no obvious changes were observed after the suspension was settled for 120 h.

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What this paper is about

In this study, a dispersed stable suspension of nano-sized antimony doped tin oxide(ATO) was prepared by dispersing nano-siezed ATO with anion, cationic or nonionic surfactants. According to the theory of dispersion stability, ball mill was carried out by about 40 min on the ATO dispersion with different dispersants. The influence of the sort and concentration of dispersants,pH, zeta potential, and dispersed mechanism were investigated. The results showed that stable ATO suspension can be obtained after being milled for 40 min by adding about 0.6wt% anionic dispersant of sodium polyacrylate, keeping pH value at 6.5～8.5 in deionic water. The particles of nano-sized ATO was dispersed well, and no obvious changes were observed after the suspension was settled for 120 h.

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Available abstract

In this study, a dispersed stable suspension of nano-sized antimony doped tin oxide(ATO) was prepared by dispersing nano-siezed ATO with anion, cationic or nonionic surfactants. According to the theory of dispersion stability, ball mill was carried out by about 40 min on the ATO dispersion with different dispersants. The influence of the sort and concentration of dispersants,pH, zeta potential, and dispersed mechanism were investigated. The results showed that stable ATO suspension can be obtained after being milled for 40 min by adding about 0.6wt% anionic dispersant of sodium polyacrylate, keeping pH value at 6.5～8.5 in deionic water. The particles of nano-sized ATO was dispersed well, and no obvious changes were observed after the suspension was settled for 120 h.

Key concepts: Dispersant, Zeta potential, Suspension (topology), Dispersion (optics), Tin oxide, Antimony, Chemical engineering, Dispersion stability

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STABILITY OF NANO-SIZED ANTIMONY DOPED TIN OXIDE IN AQUEOUS SUSPENSION — Research Paper | ScholarLens