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Issue 6, 2018, Issue in Progress
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Polypyrrole/tannin biobased nanocomposite with enhanced electrochemical and physical properties

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Abstract

In this research, tannin (TA) extracted from Acacia mangium and a cationic surfactant, cetyltrimethylammonium bromide (CTAB), were used to modify and enhance the physical and electrochemical properties of a polypyrrole (PPy) composite. Brunauer–Emmett–Teller (BET) analysis presented a higher degree of surface area and porosity for the PPy/TA/CTAB nanocomposite. A highly porous and rod like structure with a lumpy surface was observed for PPy/TA prepared in the presence of CTAB by Field Emission Scanning Electron Microscopy (FESEM) and Transmission Electron Microscopy (TEM). Cyclic voltammograms of the modified SPE electrode using PPy/TA/CTAB displayed an enhanced current response compared to the electrode modified with only PPy or PPy/TA. Electrochemical Impedance Spectroscopy (EIS) exhibited a lower value of charge transfer resistance (Rct) and higher electron transfer for the modified electrode, making the nanocomposite a promising candidate for biosensor application.

Graphical abstract: Polypyrrole/tannin biobased nanocomposite with enhanced electrochemical and physical properties

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Article information


Submitted
16 Dec 2017
Accepted
26 Dec 2017
First published
15 Jan 2018

This article is Open Access

RSC Adv., 2018,8, 2978-2985
Article type
Paper

Polypyrrole/tannin biobased nanocomposite with enhanced electrochemical and physical properties

Mahnaz M. Abdi, N. F. W. Mohd Azli, H. N. Lim, P. M. Tahir, G. Karimi, Y. B. Hoong and M. Khorram, RSC Adv., 2018, 8, 2978
DOI: 10.1039/C7RA13378B

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