Charging and discharging mechanisms of organic bistable devices based on ZnO nanoparticles capped with a poly N-vinylcarbazole polymer

Dong Ick Son, Do Hyun Oh, Jae Hun Jung, Taewhan Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Scanning electron microscopy and energy-dispersive spectrometer images of hybrid nanocomposites of ZnO nanoparticles capped with a poly N-vinylcarbazole (PVK) that was fabricated using the spin-coating technique showed that the ZnO nanoparticles were capped with a PVK polymer layer. The measurement of the current-voltage (I-V) of the Al/ZnO nanoparticles capped with a PVK layer/indium-tin-oxide/glass devices at 300 K showed electrical bistability and negative differential resistance, which indicate the nonvolatile nature of the memory effect of the electron captured in the ZnO nanoparticles. The charging and discharging mechanisms of the organic bistable devices that were fabricated using hybrid nanocomposites of ZnO nanoparticles capped with a PVK layer are described based on the I-V results.

Original languageEnglish
Pages (from-to)711-715
Number of pages5
JournalJournal of nanoscience and nanotechnology
Volume11
Issue number1
DOIs
StatePublished - 2011 Jan 1

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charging
Polymers
Nanoparticles
nanoparticles
polymers
Nanocomposites
nanocomposites
ITO glass
Coating techniques
Spin coating
indium oxides
tin oxides
coating
Spectrometers
poly-N-vinylcarbazole
spectrometers
electron energy
Data storage equipment
Scanning electron microscopy
scanning electron microscopy

Keywords

  • Charging and discharging mechanisms
  • Electrical properties
  • Memory effect
  • Nonvolatile memory devices
  • Poly N-vinylcarbazole

Cite this

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abstract = "Scanning electron microscopy and energy-dispersive spectrometer images of hybrid nanocomposites of ZnO nanoparticles capped with a poly N-vinylcarbazole (PVK) that was fabricated using the spin-coating technique showed that the ZnO nanoparticles were capped with a PVK polymer layer. The measurement of the current-voltage (I-V) of the Al/ZnO nanoparticles capped with a PVK layer/indium-tin-oxide/glass devices at 300 K showed electrical bistability and negative differential resistance, which indicate the nonvolatile nature of the memory effect of the electron captured in the ZnO nanoparticles. The charging and discharging mechanisms of the organic bistable devices that were fabricated using hybrid nanocomposites of ZnO nanoparticles capped with a PVK layer are described based on the I-V results.",
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Charging and discharging mechanisms of organic bistable devices based on ZnO nanoparticles capped with a poly N-vinylcarbazole polymer. / Son, Dong Ick; Oh, Do Hyun; Jung, Jae Hun; Kim, Taewhan.

In: Journal of nanoscience and nanotechnology, Vol. 11, No. 1, 01.01.2011, p. 711-715.

Research output: Contribution to journalArticle

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AB - Scanning electron microscopy and energy-dispersive spectrometer images of hybrid nanocomposites of ZnO nanoparticles capped with a poly N-vinylcarbazole (PVK) that was fabricated using the spin-coating technique showed that the ZnO nanoparticles were capped with a PVK polymer layer. The measurement of the current-voltage (I-V) of the Al/ZnO nanoparticles capped with a PVK layer/indium-tin-oxide/glass devices at 300 K showed electrical bistability and negative differential resistance, which indicate the nonvolatile nature of the memory effect of the electron captured in the ZnO nanoparticles. The charging and discharging mechanisms of the organic bistable devices that were fabricated using hybrid nanocomposites of ZnO nanoparticles capped with a PVK layer are described based on the I-V results.

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