Electrochemical synthesis and characterization of a new conducting copolymer having amino isoquinoline units to influence redox characteristics

Ten-Chin Wen, Yi Hsin Chen, A. Gopalan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

5-Aminoisoquinoline (AIQ), a bifunctional monomer, having an aniline type -NH2 group and a -C=N-C group in quinoline ring, was specifically electropolymerized utilizing the -NH2 groups to leave the -C=N-C groups in the ring intact in the resulted polymer. Electrochemical characteristics for the polymerization of mixture of aniline (ANI) and AIQ was investigated via cyclic voltammetry. Individual electrochemical homopolymerization studies for ANI and AIQ were also performed to deduce the changes in the electrochemical characteristics during polymerization with ANI and AIQ together. X-ray photoelectron spectroscopy (XPS) was employed to find the elemental composition and proportion of reduced units in the copolymer. The presence of -C=N-C groups in the copolymer is evident from XPS and in situ spectroelectrochemical results. Double potential chronocoulometry was used to obtain the diffusion characteristics of the copolymer film modified electrode. Oxidation of hydroquinone was performed on the copolymer film modified electrode.

Original languageEnglish
Pages (from-to)559-570
Number of pages12
JournalMaterials Chemistry and Physics
Volume77
Issue number2
DOIs
Publication statusPublished - 2003 Jan 15

Fingerprint

electrochemical synthesis
Aniline
copolymers
aniline
Copolymers
conduction
X ray photoelectron spectroscopy
Polymerization
polymerization
Electrodes
photoelectron spectroscopy
Homopolymerization
electrodes
Cyclic voltammetry
rings
quinoline
Polymers
Monomers
proportion
x rays

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = "5-Aminoisoquinoline (AIQ), a bifunctional monomer, having an aniline type -NH2 group and a -C=N-C group in quinoline ring, was specifically electropolymerized utilizing the -NH2 groups to leave the -C=N-C groups in the ring intact in the resulted polymer. Electrochemical characteristics for the polymerization of mixture of aniline (ANI) and AIQ was investigated via cyclic voltammetry. Individual electrochemical homopolymerization studies for ANI and AIQ were also performed to deduce the changes in the electrochemical characteristics during polymerization with ANI and AIQ together. X-ray photoelectron spectroscopy (XPS) was employed to find the elemental composition and proportion of reduced units in the copolymer. The presence of -C=N-C groups in the copolymer is evident from XPS and in situ spectroelectrochemical results. Double potential chronocoulometry was used to obtain the diffusion characteristics of the copolymer film modified electrode. Oxidation of hydroquinone was performed on the copolymer film modified electrode.",
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Electrochemical synthesis and characterization of a new conducting copolymer having amino isoquinoline units to influence redox characteristics. / Wen, Ten-Chin; Chen, Yi Hsin; Gopalan, A.

In: Materials Chemistry and Physics, Vol. 77, No. 2, 15.01.2003, p. 559-570.

Research output: Contribution to journalArticle

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