Photoinduced conductance switching in a dye-doped gold nanoparticle transistor

Makoto Yamamoto, Toshifumi Terui, Rieko Ueda, Keisuke Imazu, Kaoru Tamada, Takeshi Sakano, Kenji Matsuda, Hisao Ishii, Yutaka Noguchi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Photoinduced conductance switching was demonstrated in a copper phthalocyanine (CuPc)-doped gold nanoparticle (GNP) transistor formed in a nanogap electrode with a back gate structure. Two specific states were reversibly induced in conductance of the CuPc-doped devices by light irradiation and applied voltages. The probability of occurrence of conductance switching decreased with a reduction in the number of incident photons. In addition, conductance switching was not observed in the devices before CuPc doping. Conductance switching originates from change in the local potential of GNPs, possibly induced by a charge-state bistability of an individual CuPc molecule worked as a floating gate.

Original languageEnglish
Article number023103
JournalApplied Physics Letters
Volume101
Issue number2
DOIs
Publication statusPublished - Jul 9 2012

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transistors
dyes
gold
nanoparticles
gross national product
floating
occurrences
copper
irradiation
electrodes
photons
electric potential
molecules

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Yamamoto, M., Terui, T., Ueda, R., Imazu, K., Tamada, K., Sakano, T., ... Noguchi, Y. (2012). Photoinduced conductance switching in a dye-doped gold nanoparticle transistor. Applied Physics Letters, 101(2), [023103]. https://doi.org/10.1063/1.4733612

Photoinduced conductance switching in a dye-doped gold nanoparticle transistor. / Yamamoto, Makoto; Terui, Toshifumi; Ueda, Rieko; Imazu, Keisuke; Tamada, Kaoru; Sakano, Takeshi; Matsuda, Kenji; Ishii, Hisao; Noguchi, Yutaka.

In: Applied Physics Letters, Vol. 101, No. 2, 023103, 09.07.2012.

Research output: Contribution to journalArticle

Yamamoto, M, Terui, T, Ueda, R, Imazu, K, Tamada, K, Sakano, T, Matsuda, K, Ishii, H & Noguchi, Y 2012, 'Photoinduced conductance switching in a dye-doped gold nanoparticle transistor', Applied Physics Letters, vol. 101, no. 2, 023103. https://doi.org/10.1063/1.4733612
Yamamoto, Makoto ; Terui, Toshifumi ; Ueda, Rieko ; Imazu, Keisuke ; Tamada, Kaoru ; Sakano, Takeshi ; Matsuda, Kenji ; Ishii, Hisao ; Noguchi, Yutaka. / Photoinduced conductance switching in a dye-doped gold nanoparticle transistor. In: Applied Physics Letters. 2012 ; Vol. 101, No. 2.
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