Citation:
XING Shuang-Xi, CHU Ying, SUI Xiao-Meng. Synthesis and Self-assembly of Polyaniline Nanoparticles Synthesized in Reversed Micelles[J]. Chinese Journal of Applied Chemistry,
;2004, 21(12): 1315-1319.
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Polyaniline(PANI) nanoparticles were prepared in reversed micell systems consisted of sodium di(2-ethylhexyl)sulfosuccinate, p-octyl polyethylene glycol phenylether and cetyltrimethyl ammo-nium bromide, respectively. UV-Vis, IR and X-ray diffractometry were used to characterize the structure of the PANI nano-particles. The influences of size of "water pool" of reversed micelle, aniline concentration and the kind of the surfactant on the size and morphology of the products were investigated. The self-assembly of PANI nano-particles in reversed micelle is discussed briefly. The results show that the size of PANI nanoparticles became bigger with increase the size of "water pool", and ellipsoidal PANI could be formed from the small round nanoparticles by self-assembly at a high concentration. Increasing the aniline concentration from 0.05 mol/L to 0.2 mol/L and using ionic surfactant such as AOT or CTAB, would make the assembly products more compact.
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Keywords:
- polyaniline,
- nanoparticle,
- reversed micelle,
- self-assembly
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