Preparation of Ultrafine ZnO Powder by Precipitation Method

Yi Sun; Xiao Yi Shen; Yu Chun Zhai

doi:10.4028/www.scientific.net/AMR.284-286.880

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286Preparation of Ultrafine ZnO Powder by...

Preparation of Ultrafine ZnO Powder by Precipitation Method

Abstract:

Ultrafine ZnO powder was synthesized by precipitation method, using zinc sulfate and aqueous ammonium carbonate as raw material and precipitant, respectively. The influence of the concentration of aqueous ammonium carbonate on the precipitation rate of Zn²⁺ was discussed and their relationship was also illustrated. The precipitation rate of Zn²⁺ increased gradually with the mol ratio of CO₃²^-to Zn²⁺, which reached up to more than 96% when the mol ratio was 1.2. In addition, the crystal structure and morphology of the precursor and ZnO powder were also characterized using XRD and SEM. The results indicated that ZnO powder was hexagon wurtzite structure and spherical figure with high purity and regular crystal form.

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Periodical:

Advanced Materials Research (Volumes 284-286)

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880-883

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.880

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Online since:

July 2011

Authors:

Yi Sun, Xiao Yi Shen, Yu Chun Zhai

Keywords:

Aqueous Ammonium Carbonate, Hexagonal Wurtzite Structure, Precipitation Method, Ultrafine ZnO Powder

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