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Citation: WANG Hong-Yan, ZHANG Sheng-Yi, LIU Ming-Zhu, GAO Hong-Wen, TIAN Yu-Peng. Synthesis of Selenium Nanoparticles in the Presence of Chitosan Template[J]. Chinese Journal of Applied Chemistry, ;2004, 21(8): 788-792. shu

Synthesis of Selenium Nanoparticles in the Presence of Chitosan Template

1.
a School of Chemistry and Chemistry Engineering, Anhui University, Hefei 230039;
2.
b Department of Chemistry & Biology, Suzhou Teachers College, Suzhou

Corresponding author: ZHANG Sheng-Yi,
Received Date: 26 August 2003
Available Online: 12 March 2004
Fund Project: 安徽省自然科学基金(00022002)资助课题 (00022002)

Selenium nanoparticles have been synthesized in an aqueous solution by using chitosan(CTS) as a soft template. The factors on synthesis, such as reaction time, concentration of reactants, temperature, and ultrasonic irradiation were studied. The uniform stable selenium nanospheres were obtained in conditions of 1.20×10^-4(mass fraction) CTS, n(Vc):n(H₂SeO₃)=4:1 and 2 h after the initiation of the reaction at room temperature. The average particle size of selenium is about 50 nm and decreases with increase of the total concentration of the reactants. Selenium nanorods were obtained at 80℃. The products were characterized by UV, IR, XRD and TEM.
- selenium nanoparticle,
- preparation,
- chitosan,
- soft template
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