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Synthesis and characterization of conductive polypyrrole/multi-walled carbon nanotubes composites with improved solubility and conductivity

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Abstract.
High conductivity and solubility of polypyrrole (PPy)/multi-walled carbon nanotubes (MWCNT) composites
has been successfully synthesized by in situ chemical oxidation polymerization using various concentrations
of cationic polyelectrolyte poly(styrenesulfonate) (PSS) and ammonium peroxodisulfate
(APS). Raman spectroscopy, FTIR, EPR, FESEM and HRTEM were used to characterize their structure
and morphology. These images of FESEM and HRTEM showed that the fabricated PPy/MWCNT composites
are one-dimensional core-shell structures with the average thickness of the PPy/MWCNT composites
without PSS is about 250 nm and considerably decreases to 100–150 nm by adding the PSS content. The
results of Raman spectrum, FTIR and UV–Vis indicate the synthesized PPy/MWCNT composites are in the
doped state. The conductivities of PPy/MWCNT composites synthesized with the weight ratio of PSS/pyrrole
monomer at 0.5 are about two times of magnitude higher than that of PPy/MWCNT composites without
PSS. These results are perhaps due to the part of cationic electrolyte served as a dopant can be
incorporated to the PPy structure to improve the conductivity of fabricated PPy/MWCNT composites.

Keywords:
A. Nano composites
A. Polymers
B. Electrical properties
D. Transmission electron microscopy
Multi-walled carbon nanotubes

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Informasi Detail

Judul Seri

Composites Science and Technology

No. Panggil

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Penerbit

New York : Elsevier Ltd.., 2009

Deskripsi Fisik

Composites Science and Technology 69 (2009) 639–644

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

69 (2009)

Subjek

KIMIA KARBON

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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