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Journal of Composite Materials
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Facile Fabrication of Spindle-shaped ß-FeOOH/PAN-amidhydrazone/Ag Core-Shell Particles in Organic Solvent

Zhongli Lei

Shaanxi Normal University College of Chemistry and Materials Science Shaanxi, Xi'an, 710062, China, zhllei{at}snnu.edu.cn

Junchao Zhao

Shaanxi Normal University College of Chemistry and Materials Science Shaanxi, Xi'an, 710062, China

Yalan Liu

Shaanxi Normal University College of Chemistry and Materials Science Shaanxi, Xi'an, 710062, China

The spindle-shaped ß-FeOOH/polyacrylonitrile-amidoxime (PAN-amidhydrazone)/silver composite particles with a stable core-shell structure were successfully fabricated in the mixed solvent of dimethylformamide (DMF) and methanol using a seed-mediated growth technique, where metal silver nanoparticles tethered on ß-FeOOH served as the nucleation sites for the growth of the silver nanoshell overlayer. The closed silver shell was finally formed after the seed catalyzed growing process repeated several cycles. The results of transmission electron microscopy (TEM) showed that the composite nanoparticles were spindle-shape. The resulting nanoparticles showed good stability under various conditions.

Key Words: spindle-shaped • ß-FeOOH/PAN-amidhydrazone/silver • seed-mediated • composite.

Journal of Composite Materials, Vol. 41, No. 15, 1901-1912 (2007)
DOI: 10.1177/0021998307069906
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