Electron energy structure and electrical properties of poly(p-phenylene vinylene) (PPV) with gold metal nanoparticles

Cho Young Lee, Yong June Choi, Hyung-Ho Park

Research output: Contribution to journalArticle

Abstract

The electron energy structures and electrical properties of poly(p-phenylene vinylene) (PPV) and PPV/Au nanocomposite films were investigated to identify an effect of Au metal nanoparticles on a conjugated polymer. The current density in PPV/Au nanocomposite films was enhanced from an increase in the electron affinity with increasing Au nanoparticle content. The roughness of surface morphology was also observed with incorporation of Au nanoparticles. Then, an enhanced applied field could be developed at the thinner region of the film and an increase in the surface area with a resulting increase of electron injection, leading to an extra enhancement of the current.

Original languageEnglish
Pages (from-to)538-543
Number of pages6
JournalJournal of Macromolecular Science, Part A: Pure and Applied Chemistry
Volume48
Issue number7
DOIs
Publication statusPublished - 2011 Jul 1

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Nanocomposite films
Metal nanoparticles
Gold
Electric properties
Nanoparticles
Electron affinity
Electron injection
Electrons
Conjugated polymers
Surface morphology
Current density
Surface roughness
poly(4-phenylenevinylene)

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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AB - The electron energy structures and electrical properties of poly(p-phenylene vinylene) (PPV) and PPV/Au nanocomposite films were investigated to identify an effect of Au metal nanoparticles on a conjugated polymer. The current density in PPV/Au nanocomposite films was enhanced from an increase in the electron affinity with increasing Au nanoparticle content. The roughness of surface morphology was also observed with incorporation of Au nanoparticles. Then, an enhanced applied field could be developed at the thinner region of the film and an increase in the surface area with a resulting increase of electron injection, leading to an extra enhancement of the current.

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