A self-assembled nano optical switch and transistor based on a rigid conjugated polymer, thioacetyl-end-functionalized poly(para-phenylene ethynylene)

Wenping Hu, Hiroshi Nakashima, Kazuaki Furukawa, Yoshiaki Kashimura, Katsuhiro Ajito, Yunqi Liu, Daoben Zhu, Keiichi Torimitsu

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

A nanometer-scale optical switch and transistor were fabricated with thioacetyl-end-functionalized poly(para-phenylene ethynylene)s and Au nanogap electrodes by self-assembly. With photoirradiation, the switch can be switched on/off quickly with a switching ratio as high as 1000. Moreover, the device works well as a p-type transistor. With an increase in gate bias, strong conductance oscillation was observed in this self-assembled transistor (under low temperature 147 K), which is very likely due to single-electron charging oscillations arising from electron tunneling through the nanometer-scale transistor.

Original languageEnglish
Pages (from-to)2804-2805
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number9
DOIs
Publication statusPublished - 2005 Mar 9
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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