Free radical scavenging properties of polypyrrole and poly(3,4-ethylenedioxythiophene)

Chyong Fang Hsu; Lijuan Zhang; Hui Peng; Jadranka Travas-Sejdic; Paul A. Kilmartin

doi:10.1016/j.cap.2007.10.049

Free radical scavenging properties of polypyrrole and poly(3,4-ethylenedioxythiophene)

Chyong Fang Hsu
, Lijuan Zhang
, Hui Peng
, Jadranka Travas-Sejdic
, Paul A. Kilmartin^*

^*Corresponding author for this work

The University of Auckland

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

Polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) powders were prepared using various molar ratios of ammonium persulfate (APS) to their respective monomers. The antioxidant properties of these polymers were investigated through their reaction with the stable and intensely coloured DPPH radical. The DPPH scavenging activity was higher for PPy versus PEDOT, and decreased for both conducting polymers as the level of APS oxidant used in their formation was raised. The conductivity of the resulting polymers also decreased as more APS was used, which was related to overoxidation of the polymers seen by changes in FTIR bands.

Original language	English
Pages (from-to)	316-319
Number of pages	4
Journal	Current Applied Physics
Volume	8
Issue number	3-4
DOIs	https://doi.org/10.1016/j.cap.2007.10.049
State	Published - May 2008
Externally published	Yes

Keywords

Conducting polymer
DPPH
PEDOT
Polypyrrole
Radical scavenging

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10.1016/j.cap.2007.10.049

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title = "Free radical scavenging properties of polypyrrole and poly(3,4-ethylenedioxythiophene)",

abstract = "Polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) powders were prepared using various molar ratios of ammonium persulfate (APS) to their respective monomers. The antioxidant properties of these polymers were investigated through their reaction with the stable and intensely coloured DPPH radical. The DPPH scavenging activity was higher for PPy versus PEDOT, and decreased for both conducting polymers as the level of APS oxidant used in their formation was raised. The conductivity of the resulting polymers also decreased as more APS was used, which was related to overoxidation of the polymers seen by changes in FTIR bands.",

keywords = "Conducting polymer, DPPH, PEDOT, Polypyrrole, Radical scavenging",

author = "Hsu, \{Chyong Fang\} and Lijuan Zhang and Hui Peng and Jadranka Travas-Sejdic and Kilmartin, \{Paul A.\}",

year = "2008",

month = may,

doi = "10.1016/j.cap.2007.10.049",

language = "英语",

volume = "8",

pages = "316--319",

journal = "Current Applied Physics",

issn = "1567-1739",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Free radical scavenging properties of polypyrrole and poly(3,4-ethylenedioxythiophene)

AU - Hsu, Chyong Fang

AU - Zhang, Lijuan

AU - Peng, Hui

AU - Travas-Sejdic, Jadranka

AU - Kilmartin, Paul A.

PY - 2008/5

Y1 - 2008/5

N2 - Polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) powders were prepared using various molar ratios of ammonium persulfate (APS) to their respective monomers. The antioxidant properties of these polymers were investigated through their reaction with the stable and intensely coloured DPPH radical. The DPPH scavenging activity was higher for PPy versus PEDOT, and decreased for both conducting polymers as the level of APS oxidant used in their formation was raised. The conductivity of the resulting polymers also decreased as more APS was used, which was related to overoxidation of the polymers seen by changes in FTIR bands.

AB - Polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) powders were prepared using various molar ratios of ammonium persulfate (APS) to their respective monomers. The antioxidant properties of these polymers were investigated through their reaction with the stable and intensely coloured DPPH radical. The DPPH scavenging activity was higher for PPy versus PEDOT, and decreased for both conducting polymers as the level of APS oxidant used in their formation was raised. The conductivity of the resulting polymers also decreased as more APS was used, which was related to overoxidation of the polymers seen by changes in FTIR bands.

KW - Conducting polymer

KW - DPPH

KW - PEDOT

KW - Polypyrrole

KW - Radical scavenging

UR - https://www.scopus.com/pages/publications/38649103792

U2 - 10.1016/j.cap.2007.10.049

DO - 10.1016/j.cap.2007.10.049

M3 - 文章

AN - SCOPUS:38649103792

SN - 1567-1739

VL - 8

SP - 316

EP - 319

JO - Current Applied Physics

JF - Current Applied Physics

IS - 3-4

ER -

Free radical scavenging properties of polypyrrole and poly(3,4-ethylenedioxythiophene)

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Keywords

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