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Vol. 34, No. 8(3), S&M3042

Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Sensors and Materials, Volume 27, Number 10 (2015)
Copyright(C) MYU K.K.
pp. 945-954
S&M1131 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2015.1165
Published: November 11, 2015

Nanosized Polyanilines Prepared with Ultrasound Oxidative Polymerization at Different Frequencies [PDF]

Kazuki Fukui, Erasto Armando Zaragoza-Contreras, Kohsuke Hirano and Takaomi Kobayashi

(Received February 16, 2015; Accepted September 4, 2015)

Keywords: conductivity polymer, polyaniline, ultrasound, nanoparticle

Polyaniline (PANi) nanoparticles were successfully prepared by applying ultrasound (US) irradiation during the oxidative polymerization of aniline in water. The US frequencies applied were 23, 43, and 141 kHz with varied exposure times. The formation of PANi nanoparticles was confirmed using laser diffraction particle size analysis (LDPA), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results of LDPA revealed that, when the US exposure lasted from 10 to 120 min, the nanosization of PANi was reduced at 141 kHz, whereas at a lower US frequency PANi formed aggregates with a larger size. The results of TEM indicated that the US frequency affected the aggregate size and particle size, meaning that a higher US frequency dispersed more efficiently nanosized particles.

Corresponding author: Takaomi Kobayashi


Cite this article
Kazuki Fukui, Erasto Armando Zaragoza-Contreras, Kohsuke Hirano and Takaomi Kobayashi, Nanosized Polyanilines Prepared with Ultrasound Oxidative Polymerization at Different Frequencies, Sens. Mater., Vol. 27, No. 10, 2015, p. 945-954.



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