Synthesis of dendritic polyaniline nanofibers by using soft template of sodium alginate

Biplab Bhowmick; Mrinal Kanti Bain; Dipanwita Maity; Nirmal Kumar Bera; Dibyendu Mondal; Md. Masud Rahaman Mollick; Prabir Kumar Maiti; Dipankar Chattopadhyay

doi:10.1002/app.34575

journal article Aug 19, 2011

Synthesis of dendritic polyaniline nanofibers by using soft template of sodium alginate

Biplab Bhowmick Mrinal Kanti Bain Dipanwita Maity Nirmal Kumar Bera Dibyendu Mondal

Md. Masud Rahaman Mollick Prabir Kumar Maiti Dipankar Chattopadhyay

Journal of Applied Polymer Science Vol. 123 No. 3 pp. 1630-1635 · Wiley

View at Publisher Save 10.1002/app.34575

Abstract

AbstractHighly crystallized polyaniline (PANI) nanofibers were synthesized by oxidative polymerization of aniline in the presence of sodium alginate as a soft template in HCl and ammonium peroxydisulfate (APS) acting as an oxidizing agent. Sodium alginate, in presence of a protonic acid like HCl, formed hydrogen bonds with anilium ions or oligomers. The formed hydrogen bonds provide the driving force to form PANI nanofibers. The nanofibers were separated from the alginate gel by degelling with ammonium hydroxide and during degelling emeraldine salt was converted into emeraldine base form. The polymerized PANI was characterized using ultraviolet (UV)–visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), X‐ray diffraction (XRD), and scanning electron microscopy (SEM). UV and FTIR spectra showed that the presence of sodium alginate had no effect on the electronic state and backbone structures of the resulting PANI products. It was evident from the XRD analysis that the obtained PANI nanofibers exhibit higher crystalline order. SEM micrographs showed that PANI nanofibers were just like a mat of interwoven twisted nanofibers. After magnification of the SEM image, it was found that most of the nanofibers were interconnected to form ramose structures rather than isolated nanofibers. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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Details

Published: Aug 19, 2011
Vol/Issue: 123(3)
Pages: 1630-1635
License: View

Authors

Md. Masud Rahaman Mollick

P

Prabir Kumar Maiti

D

Dipankar Chattopadhyay

Cite This Article

Biplab Bhowmick, Mrinal Kanti Bain, Dipanwita Maity, et al. (2011). Synthesis of dendritic polyaniline nanofibers by using soft template of sodium alginate. Journal of Applied Polymer Science, 123(3), 1630-1635. https://doi.org/10.1002/app.34575

Synthesis of dendritic polyaniline nanofibers by using soft template of sodium alginate

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