Comparative study between poly(p-phenylenevinylene) (PPV) and PPV/SiO 2 nano-composite for interface with aluminum electrode

Sook Yoon, Hyun Ju Choi, Jun Kyu Yang, Hyung-Ho Park

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The change in the interface of conjugated polymer/nano-particle composite with aluminum electrode has been studied. From the X-ray photoelectron spectroscopic studies, it was revealed that there was no significant difference of interfacial reaction between poly(p-phenylenevinylene) (PPV) and PPV/SiO 2 nano-composite films. However, interfacial reaction of PPV/SiO 2 nano-composite film with Al was saturated promptly because of more residues, as compared with that of PPV. Enhancement of current density by nano-particles has been observed, and it could be understood by morphology effect on field strength at the film-electrode interface that PPV/SiO 2 nano-composite film shows rougher surface than that of PPV film. The change in the effective thickness of the film induced by the thickness variation of the film due to surface morphology effects on the distribution of effective field strength applied to the films.

Original languageEnglish
Pages (from-to)451-456
Number of pages6
JournalApplied Surface Science
Volume237
Issue number1-4
DOIs
Publication statusPublished - 2004 Oct 15

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Aluminum
Nanocomposite films
Electrodes
Composite materials
Surface chemistry
Conjugated polymers
Photoelectrons
Surface morphology
Current density
poly(4-phenylenevinylene)
X rays

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films

Cite this

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abstract = "The change in the interface of conjugated polymer/nano-particle composite with aluminum electrode has been studied. From the X-ray photoelectron spectroscopic studies, it was revealed that there was no significant difference of interfacial reaction between poly(p-phenylenevinylene) (PPV) and PPV/SiO 2 nano-composite films. However, interfacial reaction of PPV/SiO 2 nano-composite film with Al was saturated promptly because of more residues, as compared with that of PPV. Enhancement of current density by nano-particles has been observed, and it could be understood by morphology effect on field strength at the film-electrode interface that PPV/SiO 2 nano-composite film shows rougher surface than that of PPV film. The change in the effective thickness of the film induced by the thickness variation of the film due to surface morphology effects on the distribution of effective field strength applied to the films.",
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Comparative study between poly(p-phenylenevinylene) (PPV) and PPV/SiO 2 nano-composite for interface with aluminum electrode . / Yoon, Sook; Choi, Hyun Ju; Yang, Jun Kyu; Park, Hyung-Ho.

In: Applied Surface Science, Vol. 237, No. 1-4, 15.10.2004, p. 451-456.

Research output: Contribution to journalArticle

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