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Acta Metall Sin  2009, Vol. 45 Issue (9): 1135-1140    DOI:
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STRUCTURE AND PERFORMANCE OF Fe2O3-PANI COMPOSITE NANOPARTICLES SYNTHESIZED BY ELECTROSTATIC SELF-ASSEMBLY
ZHANG Xia; WANG Jing; CHEN Li
College of Sciences; Northeastern University; Shenyang 110004
Cite this article: 

ZHANG Xia WANG Jing CHEN Li. STRUCTURE AND PERFORMANCE OF Fe2O3-PANI COMPOSITE NANOPARTICLES SYNTHESIZED BY ELECTROSTATIC SELF-ASSEMBLY. Acta Metall Sin, 2009, 45(9): 1135-1140.

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Abstract  

Sodium polystyrene sulfonate (PSS) doped polyaniline (PANI) nanoparticles were self-assembled on α-Fe2O3 nanoparticles, of which the surfaces have been modified by hexadecyl trimethyl ammonium bromide (CTAB), through controling the pH value. The effects of pH value, temperature and reaction time on the structure of composite particles were systematically studied, and the optimum conditions were determined. TEM, XRD, FTIR and cyclic voltammetry (CV) were used to characterize the composite particles. The analyses of CV curve and FTIR spectrum showed that compared with PANI nanoparticles, the Fe2O3-PANI composite particles present enhanced infrared absorption and well electrochemical property.

Key words:  electrostatic self-assembly      α-Fe2O3      polyaniline (PANI)      infrared absorption     
Received:  08 May 2009     
ZTFLH: 

O648

 
Fund: 

Supported by National Basic Research Program of China (No.2006CB605103)

URL: 

https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2009/V45/I9/1135

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