Operating mechanisms of organic bistable devices containing ZNO nanoparticles embedded in a Poly-4-Vinyl-Phenol layer

Kyu Ha Park, Fushan Li, Jae Hun Jung, Dong Ick Son, Sung Whan Cho, Taewhan Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Scanning electron microscopy images showed that self-assembled ZnO nanoparticles were created inside a poly-4-vinyl-phenol (PVP) layer. Current-voltage (l-V) measurements on the Al/ZnO nanoparticles embedded in a PVP layer/indium tin oxide (ITO)/glass device fabricated by using a simple spin coating method at 300 K showed an electrical hysteresis behavior, indicative of an essential feature for a bistable device. The data fitting results of the l-V curves showed that the carrier transport mechanisms at low and high voltages were attributed to the space charge limited current and the Fowler-Nordheim tunneling processes, respectively. Possible operating mechanisms for the memory effects in the Al/ZnO nanoparticles embedded in a PVP layer/ITO devices are described on the basis of the l-V results.

Original languageEnglish
Pages (from-to)4801-4804
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume10
Issue number7
DOIs
StatePublished - 2010 Jul 1

Fingerprint

Phenol
phenols
Phenols
Nanoparticles
indium oxides
nanoparticles
tin oxides
ITO glass
Carrier transport
Spin coating
Electric potential
Tin oxides
Electric space charge
Field emission
Indium
low voltage
Hysteresis
coating
high voltages
space charge

Keywords

  • Operating mechanism
  • Organic bistable devices
  • PVP
  • Zno nanoparticles

Cite this

Park, Kyu Ha ; Li, Fushan ; Jung, Jae Hun ; Son, Dong Ick ; Cho, Sung Whan ; Kim, Taewhan. / Operating mechanisms of organic bistable devices containing ZNO nanoparticles embedded in a Poly-4-Vinyl-Phenol layer. In: Journal of Nanoscience and Nanotechnology. 2010 ; Vol. 10, No. 7. pp. 4801-4804.
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Operating mechanisms of organic bistable devices containing ZNO nanoparticles embedded in a Poly-4-Vinyl-Phenol layer. / Park, Kyu Ha; Li, Fushan; Jung, Jae Hun; Son, Dong Ick; Cho, Sung Whan; Kim, Taewhan.

In: Journal of Nanoscience and Nanotechnology, Vol. 10, No. 7, 01.07.2010, p. 4801-4804.

Research output: Contribution to journalArticle

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