Please use this identifier to cite or link to this item: https://doi.org/10.1021/ma0613988
Title: Conductive hollow nanospheres of polyaniline via surface-initiated atom transfer radical polymerization of 4-vinylaniline and oxidative graft copolymerization of aniline
Authors: Fu, G.D.
Zhao, J.P.
Sun, Y.M.
Kang, E.T. 
Neoh, K.G. 
Issue Date: 20-Mar-2007
Citation: Fu, G.D., Zhao, J.P., Sun, Y.M., Kang, E.T., Neoh, K.G. (2007-03-20). Conductive hollow nanospheres of polyaniline via surface-initiated atom transfer radical polymerization of 4-vinylaniline and oxidative graft copolymerization of aniline. Macromolecules 40 (6) : 2271-2275. ScholarBank@NUS Repository. https://doi.org/10.1021/ma0613988
Abstract: A surface initiated living polymerization approach to the preparation of well-defined polyaniline (PANI) hollow nanospheres was analyzed. The atom transfer radical polymerization (ATRP) initiator trichloro (4- chloromethylphenyl) silane was immobilized on the silica nanoparticles of about 25 nm diameter through the reaction of the chlorosilyl group with the silanol group. The transmission electron microscopy (TEM) image of the initiator-immobilization silica nanoparticles showed that the surface-modified nanoparticles remained unagglomerated. The X-ray photoelectron spectroscopy (XPS) wide-scan spectrum and energy-dispersive X-ray (EDX) analysis of the surface-modified nanoparticles indicated that the benzyl chloride initiators have been successfully immobilized on the silica surface. Surface oxidative graft copolymerization of aniline, using the aniline moieties of PVAn as the anchoring sites, produced the P (VAn-graft-PANI) hollow nanospheres with a conductive shell.
Source Title: Macromolecules
URI: http://scholarbank.nus.edu.sg/handle/10635/63631
ISSN: 00249297
DOI: 10.1021/ma0613988
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