Catalytic electroxidation pathway for the polymerization of polypyrrole in the presence of ultrafine silver nanoparticles

Hsun Tsing Lee, Yu Chuan Liu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

In this work, we report the first electrochemical polymerization of polypyrrole (PPy) on Au substrates in aqueous solutions containing additives of prepared Ag nanoparticles with a diameter less than 2 nm. Due to the effect of Ag nanoparticles, which can provide a catalytic electroxidation pathway for the polymerization of PPy, the synthesized PPy film demonstrates some novel characteristics. It shows a finer and granular raspberry morphology with nano-scaled particles, and a rougher surface. The conductivity of PPy is significantly increased (∼8 times), which also reflects on the extremely high oxidation level of 0.35 revealed from the analysis of X-ray photoelectron spectroscopy (XPS). The mechanism of the nucleation and growth was investigated to explain the specific characteristics of PPy films.

Original languageEnglish
Pages (from-to)10727-10732
Number of pages6
JournalPolymer
Volume46
Issue number24
DOIs
Publication statusPublished - Nov 21 2005
Externally publishedYes

Fingerprint

Polypyrroles
Silver
Polymerization
Nanoparticles
Electropolymerization
Nucleation
X ray photoelectron spectroscopy
polypyrrole
Ultrafine
Oxidation
Substrates

Keywords

  • Ag nanoparticles
  • Mechanism of the nucleation and growth
  • Polypyrrole

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Catalytic electroxidation pathway for the polymerization of polypyrrole in the presence of ultrafine silver nanoparticles. / Lee, Hsun Tsing; Liu, Yu Chuan.

In: Polymer, Vol. 46, No. 24, 21.11.2005, p. 10727-10732.

Research output: Contribution to journalArticle

@article{d457dc8685934272b0c510a0a2e8ba0a,
title = "Catalytic electroxidation pathway for the polymerization of polypyrrole in the presence of ultrafine silver nanoparticles",
abstract = "In this work, we report the first electrochemical polymerization of polypyrrole (PPy) on Au substrates in aqueous solutions containing additives of prepared Ag nanoparticles with a diameter less than 2 nm. Due to the effect of Ag nanoparticles, which can provide a catalytic electroxidation pathway for the polymerization of PPy, the synthesized PPy film demonstrates some novel characteristics. It shows a finer and granular raspberry morphology with nano-scaled particles, and a rougher surface. The conductivity of PPy is significantly increased (∼8 times), which also reflects on the extremely high oxidation level of 0.35 revealed from the analysis of X-ray photoelectron spectroscopy (XPS). The mechanism of the nucleation and growth was investigated to explain the specific characteristics of PPy films.",
keywords = "Ag nanoparticles, Mechanism of the nucleation and growth, Polypyrrole",
author = "Lee, {Hsun Tsing} and Liu, {Yu Chuan}",
year = "2005",
month = "11",
day = "21",
doi = "10.1016/j.polymer.2005.09.031",
language = "English",
volume = "46",
pages = "10727--10732",
journal = "Polymer",
issn = "0032-3861",
publisher = "Elsevier BV",
number = "24",

}

TY - JOUR

T1 - Catalytic electroxidation pathway for the polymerization of polypyrrole in the presence of ultrafine silver nanoparticles

AU - Lee, Hsun Tsing

AU - Liu, Yu Chuan

PY - 2005/11/21

Y1 - 2005/11/21

N2 - In this work, we report the first electrochemical polymerization of polypyrrole (PPy) on Au substrates in aqueous solutions containing additives of prepared Ag nanoparticles with a diameter less than 2 nm. Due to the effect of Ag nanoparticles, which can provide a catalytic electroxidation pathway for the polymerization of PPy, the synthesized PPy film demonstrates some novel characteristics. It shows a finer and granular raspberry morphology with nano-scaled particles, and a rougher surface. The conductivity of PPy is significantly increased (∼8 times), which also reflects on the extremely high oxidation level of 0.35 revealed from the analysis of X-ray photoelectron spectroscopy (XPS). The mechanism of the nucleation and growth was investigated to explain the specific characteristics of PPy films.

AB - In this work, we report the first electrochemical polymerization of polypyrrole (PPy) on Au substrates in aqueous solutions containing additives of prepared Ag nanoparticles with a diameter less than 2 nm. Due to the effect of Ag nanoparticles, which can provide a catalytic electroxidation pathway for the polymerization of PPy, the synthesized PPy film demonstrates some novel characteristics. It shows a finer and granular raspberry morphology with nano-scaled particles, and a rougher surface. The conductivity of PPy is significantly increased (∼8 times), which also reflects on the extremely high oxidation level of 0.35 revealed from the analysis of X-ray photoelectron spectroscopy (XPS). The mechanism of the nucleation and growth was investigated to explain the specific characteristics of PPy films.

KW - Ag nanoparticles

KW - Mechanism of the nucleation and growth

KW - Polypyrrole

UR - http://www.scopus.com/inward/record.url?scp=27544509092&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=27544509092&partnerID=8YFLogxK

U2 - 10.1016/j.polymer.2005.09.031

DO - 10.1016/j.polymer.2005.09.031

M3 - Article

VL - 46

SP - 10727

EP - 10732

JO - Polymer

JF - Polymer

SN - 0032-3861

IS - 24

ER -