Please use this identifier to cite or link to this item: https://doi.org/10.1166/asl.2011.1225
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dc.titleOne-pot synthesis and electrical characterization of monodisperse solid polyaniline sub-microspheres
dc.contributor.authorShi, J.-H.
dc.contributor.authorWen, T.
dc.contributor.authorVarghese, B.
dc.contributor.authorZheng, M.
dc.contributor.authorSow, C.-H.
dc.contributor.authorChan, H.S.O.
dc.date.accessioned2014-11-28T06:33:36Z
dc.date.available2014-11-28T06:33:36Z
dc.date.issued2011-02
dc.identifier.citationShi, J.-H., Wen, T., Varghese, B., Zheng, M., Sow, C.-H., Chan, H.S.O. (2011-02). One-pot synthesis and electrical characterization of monodisperse solid polyaniline sub-microspheres. Advanced Science Letters 4 (2) : 449-457. ScholarBank@NUS Repository. https://doi.org/10.1166/asl.2011.1225
dc.identifier.issn19366612
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/112625
dc.description.abstractMonodisperse solid polyaniline (PANI) sub-microspheres were synthesized in nonpolar solvent toluene using chloroaurate acid (HAuCl4) as the oxidant and cetyltrimethylammonium bromide (CTAB) as the phase-transfer reagent. The reduction of chloroaurate acid is accompanied by oxidative polymerization of aniline, leading to the formation of uniform solid PANI sub-microspheres covered with a breadcrumb-like structure, with a diameter of about 400 nm and incorporated with gold nanoparticle aggregates. The resulting solid PANI sub-microspheres were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, UV-visible spectroscopy, and X-ray diffraction (XRD). The formation mechanism of the solid spheres is also discussed. The current-voltage (I-V) characteristics of the PANI submicrospheres were measured, which indicate the conductivity of the samples is related to the degree of doping which is pressure dependent. © 2011 American Scientific Publishers.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1166/asl.2011.1225
dc.sourceScopus
dc.subjectElectrical properties
dc.subjectOne-pot synthesis
dc.subjectPolyaniline
dc.subjectSub-microspheres
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentPHYSICS
dc.contributor.departmentNUS NANOSCIENCE & NANOTECH INITIATIVE
dc.description.doi10.1166/asl.2011.1225
dc.description.sourcetitleAdvanced Science Letters
dc.description.volume4
dc.description.issue2
dc.description.page449-457
dc.identifier.isiut000291410900026
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