Characterization of Au-metal nanoparticle-hybridized poly (3,4-ethylenedioxythiophene) films for electrochromic devices

Jong Seok Lee, Yong June Choi, Seok Joo Wang, Hyung-Ho Park, Jae Chul Pyun

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In order to enhance the electrochromic properties of poly (3,4-ethylenedioxythiophene) (PEDOT), Au/PEDOT nano-hybrid thin films were prepared from a Au nanoparticle (Au NP), 3,4-ethylenedioxythiophene (EDOT), iron p-toluenesulfonate and imidazole mixture. The incorporation of Au NPs slightly affected the surface roughness of PEDOT films but had an important impact on the conjugation length and packing density of PEDOT due to the physical volume effect. An enhancement in the electrochromic properties of PEDOT was obtained, in particular, a 50% reduction in the switching speed of PEDOT with a blue shift of the maximum absorption peak in the ultra violet-visible spectroscopic analysis.

Original languageEnglish
Pages (from-to)81-85
Number of pages5
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume208
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

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Electrochromic devices
Spectroscopic analysis
Metal nanoparticles
Surface roughness
Iron
Nanoparticles
Thin films
nanoparticles
packing density
spectroscopic analysis
conjugation
imidazoles
blue shift
metals
surface roughness
iron
augmentation
thin films
poly(3,4-ethylene dioxythiophene)

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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Characterization of Au-metal nanoparticle-hybridized poly (3,4-ethylenedioxythiophene) films for electrochromic devices. / Lee, Jong Seok; Choi, Yong June; Wang, Seok Joo; Park, Hyung-Ho; Pyun, Jae Chul.

In: Physica Status Solidi (A) Applications and Materials Science, Vol. 208, No. 1, 01.01.2011, p. 81-85.

Research output: Contribution to journalArticle

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AB - In order to enhance the electrochromic properties of poly (3,4-ethylenedioxythiophene) (PEDOT), Au/PEDOT nano-hybrid thin films were prepared from a Au nanoparticle (Au NP), 3,4-ethylenedioxythiophene (EDOT), iron p-toluenesulfonate and imidazole mixture. The incorporation of Au NPs slightly affected the surface roughness of PEDOT films but had an important impact on the conjugation length and packing density of PEDOT due to the physical volume effect. An enhancement in the electrochromic properties of PEDOT was obtained, in particular, a 50% reduction in the switching speed of PEDOT with a blue shift of the maximum absorption peak in the ultra violet-visible spectroscopic analysis.

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