Electroactivity of polyaniline multilayer films in neutral solution and their electrocatalyzed oxidation of β-nicotinamide adenine dinucleotide

Shengjun Tian, Akira Baba, Jianyun Liu, Zhehui Wang, Wolfgang Knoll, Mi Kyoung Park, Rigoberto Advincula

Research output: Contribution to journalArticle

110 Citations (Scopus)

Abstract

In this paper, we report an alternative simple method to shift the electroactivity of polyaniline (PANI) films to neutral pH conditions by forming multilayer assemblies with poly(anions) using the layer-by-layer (LBL) deposition method. A series of self-assembled PANI multilayer films with poly(anions), such as sulfonated polyaniline (SPANI), poly(acrylic acid) (PAA), poly(vinyl sulfonate) (PVS), and poly(styrene sulfonate) (PSS), were prepared by the LBL method. Their electrochemical behavior arid catalytic ability for the oxidation of β-nicotinamide adenine dinucleotide (NADH) in neutral solution were investigated by electrochemistry (EC) combined with surface plasmon spectroscopy (SPS) and the quartz crystal microbalance (QCM) technique. Results indicated that all the films showed very good stability, reversibility, and electroactivity in neutral solution. All the multilayer films can electrocatalyze the oxidation of NADH, with the catalytic ability of PANI/SPANI being higher than that of the other assemblies under the same conditions. The catalytic abilities of the films with the same thickness prepared by the copolymerization method and the LBL method were also compared.

Original languageEnglish
Pages (from-to)473-479
Number of pages7
JournalAdvanced Functional Materials
Volume13
Issue number6
DOIs
Publication statusPublished - 2003 Jun
Externally publishedYes

Fingerprint

nicotinamide
Multilayer films
adenines
Polyaniline
NAD
Oxidation
oxidation
carbopol 940
Anions
sulfonates
Negative ions
assemblies
Styrene
Quartz crystal microbalances
anions
Electrochemistry
Copolymerization
Acrylics
copolymerization
acrylic acid

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Condensed Matter Physics
  • Electrochemistry

Cite this

Electroactivity of polyaniline multilayer films in neutral solution and their electrocatalyzed oxidation of β-nicotinamide adenine dinucleotide. / Tian, Shengjun; Baba, Akira; Liu, Jianyun; Wang, Zhehui; Knoll, Wolfgang; Park, Mi Kyoung; Advincula, Rigoberto.

In: Advanced Functional Materials, Vol. 13, No. 6, 06.2003, p. 473-479.

Research output: Contribution to journalArticle

Tian, Shengjun ; Baba, Akira ; Liu, Jianyun ; Wang, Zhehui ; Knoll, Wolfgang ; Park, Mi Kyoung ; Advincula, Rigoberto. / Electroactivity of polyaniline multilayer films in neutral solution and their electrocatalyzed oxidation of β-nicotinamide adenine dinucleotide. In: Advanced Functional Materials. 2003 ; Vol. 13, No. 6. pp. 473-479.
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