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|Title:||Morphology of polyaniline nanoparticles synthesized in triblock copolymers micelles|
|Citation:||Cheng, D., Ng, S.-C., Chan, H.S.O. (2005-04-22). Morphology of polyaniline nanoparticles synthesized in triblock copolymers micelles. Thin Solid Films 477 (1-2) : 19-23. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tsf.2004.08.105|
|Abstract:||Aniline was polymerized with oxidant ammonium peroxydisulfate in aqueous medium comprising poly(ε-caprolactone)-poly(ethylene oxide)-poly(ε- caprolactone) (PCL-PEO-PCL) amphiphilic triblock copolymer micelles. Micelle size was found to influence the morphology of polyaniline (PANI) nanoparticles greatly. PANI synthesized in PCL-PEO(10000)-PCL and PCL-PEO(4000)-PCL micelles exhibited ordinary solid spherical shape, while PANI synthesized in PCL-PEO(1000)-PCL micelles exhibited hollow sphere structure. A possible explanation was offered to interpret the formation of the hollow spheres. The chemical structure of PANI was characterized with FT-IR and UV-vis spectra. The conductivity of PANI was found to depend on the regular distribution of conducting phase and the structure of PANI prepared in PCL-PEO-PCL micelles. © 2004 Elsevier B.V. All rights reserved.|
|Source Title:||Thin Solid Films|
|Appears in Collections:||Staff Publications|
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