Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites
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2009
Authors
Ciric-Marjanovic, G.Dragičević, Ljiljana
Milojević, M.
Mojović, Miloš

Mentus, Slavko

Dojčinović, Biljana

Marjanović, B.
Stejskal, J.
Article (Published version)

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Self-assembled semiconducting, paramagnetic polyaniline nanotubes have been synthesized by the oxidative polymerization of aniline with ammonium peroxydisulfate in aqueous medium in the presence of colloidal silica particles of an average diameter ∼12 nm, without added acid. The electrical conductivity of polyaniline nanotubes/silica nanocomposites is in the range (3.3-4.0) × 10-3 S cm-1. The presence of paramagnetic polaronic emeraldine salt form of polyaniline and phenazine units in nanocomposites was proved by FTIR, Raman, and EPR spectroscopies. The influence of the initial silica/aniline weight ratio on the morphology of polyaniline/silica nanocomposites was studied by scanning and transmission electron microscopies. Nano-composites synthesized by using the initial weight ratio silica/aniline ≤0.2 contain polyaniline nanotubes which have a typical outer diameter of 100-250 nm and an inner diameter of 10-80 nm, and nanorods with a diameter of 60-100 nm, accompanied with polyaniline.../silica nanogranules, while the nanocomposite synthesized at weight ratio silica/aniline ∼2 contains polyaniline/silica nanogranules with an average diameter of 35-70 nm. The evolution of molecular and supramolecular structure of polyaniline in the presence of colloidal silica is discussed.
Source:
Journal of Physical Chemistry B, 2009, 113, 20, 7116-7127Publisher:
- American Chemical Society (ACS)
Funding / projects:
- Struktura, termodinamičke i elektrohemijske osobine materijala za konverziju energije i nove tehnologije (RS-142047)
DOI: 10.1021/jp900096b
ISSN: 1520-6106
WoS: 000266093700013
Scopus: 2-s2.0-67650065013
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IHTMTY - JOUR AU - Ciric-Marjanovic, G. AU - Dragičević, Ljiljana AU - Milojević, M. AU - Mojović, Miloš AU - Mentus, Slavko AU - Dojčinović, Biljana AU - Marjanović, B. AU - Stejskal, J. PY - 2009 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/563 AB - Self-assembled semiconducting, paramagnetic polyaniline nanotubes have been synthesized by the oxidative polymerization of aniline with ammonium peroxydisulfate in aqueous medium in the presence of colloidal silica particles of an average diameter ∼12 nm, without added acid. The electrical conductivity of polyaniline nanotubes/silica nanocomposites is in the range (3.3-4.0) × 10-3 S cm-1. The presence of paramagnetic polaronic emeraldine salt form of polyaniline and phenazine units in nanocomposites was proved by FTIR, Raman, and EPR spectroscopies. The influence of the initial silica/aniline weight ratio on the morphology of polyaniline/silica nanocomposites was studied by scanning and transmission electron microscopies. Nano-composites synthesized by using the initial weight ratio silica/aniline ≤0.2 contain polyaniline nanotubes which have a typical outer diameter of 100-250 nm and an inner diameter of 10-80 nm, and nanorods with a diameter of 60-100 nm, accompanied with polyaniline/silica nanogranules, while the nanocomposite synthesized at weight ratio silica/aniline ∼2 contains polyaniline/silica nanogranules with an average diameter of 35-70 nm. The evolution of molecular and supramolecular structure of polyaniline in the presence of colloidal silica is discussed. PB - American Chemical Society (ACS) T2 - Journal of Physical Chemistry B T1 - Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites VL - 113 IS - 20 SP - 7116 EP - 7127 DO - 10.1021/jp900096b ER -
@article{ author = "Ciric-Marjanovic, G. and Dragičević, Ljiljana and Milojević, M. and Mojović, Miloš and Mentus, Slavko and Dojčinović, Biljana and Marjanović, B. and Stejskal, J.", year = "2009", abstract = "Self-assembled semiconducting, paramagnetic polyaniline nanotubes have been synthesized by the oxidative polymerization of aniline with ammonium peroxydisulfate in aqueous medium in the presence of colloidal silica particles of an average diameter ∼12 nm, without added acid. The electrical conductivity of polyaniline nanotubes/silica nanocomposites is in the range (3.3-4.0) × 10-3 S cm-1. The presence of paramagnetic polaronic emeraldine salt form of polyaniline and phenazine units in nanocomposites was proved by FTIR, Raman, and EPR spectroscopies. The influence of the initial silica/aniline weight ratio on the morphology of polyaniline/silica nanocomposites was studied by scanning and transmission electron microscopies. Nano-composites synthesized by using the initial weight ratio silica/aniline ≤0.2 contain polyaniline nanotubes which have a typical outer diameter of 100-250 nm and an inner diameter of 10-80 nm, and nanorods with a diameter of 60-100 nm, accompanied with polyaniline/silica nanogranules, while the nanocomposite synthesized at weight ratio silica/aniline ∼2 contains polyaniline/silica nanogranules with an average diameter of 35-70 nm. The evolution of molecular and supramolecular structure of polyaniline in the presence of colloidal silica is discussed.", publisher = "American Chemical Society (ACS)", journal = "Journal of Physical Chemistry B", title = "Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites", volume = "113", number = "20", pages = "7116-7127", doi = "10.1021/jp900096b" }
Ciric-Marjanovic, G., Dragičević, L., Milojević, M., Mojović, M., Mentus, S., Dojčinović, B., Marjanović, B.,& Stejskal, J.. (2009). Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites. in Journal of Physical Chemistry B American Chemical Society (ACS)., 113(20), 7116-7127. https://doi.org/10.1021/jp900096b
Ciric-Marjanovic G, Dragičević L, Milojević M, Mojović M, Mentus S, Dojčinović B, Marjanović B, Stejskal J. Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites. in Journal of Physical Chemistry B. 2009;113(20):7116-7127. doi:10.1021/jp900096b .
Ciric-Marjanovic, G., Dragičević, Ljiljana, Milojević, M., Mojović, Miloš, Mentus, Slavko, Dojčinović, Biljana, Marjanović, B., Stejskal, J., "Synthesis and characterization of self-assembled polyaniline nanotubes/silica nanocomposites" in Journal of Physical Chemistry B, 113, no. 20 (2009):7116-7127, https://doi.org/10.1021/jp900096b . .