Charge trapping at organic/self-assembly molecule interfaces studied by electrical switching behaviour in a crosspoint structure

Yun Li, Chuan Liu, Lijia Pan, Lin Pu, Kazuhito Tsukagoshi, Yi Shi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Charge trapping at organic/self-assembly molecule (SAM) interfaces is studied by the electrical switching behaviour in a crosspoint structure, where interfacial charge trapping tunes the potential barrier of the SAM layer. The sample with rubrene exhibits the write-once read-many-times memory effect, which is due to the interfacial charges trapped at deep states. On the other hand, the sample with 2-amino-4,5-dicyanoimidazole presents recyclable conduction transition, which results from the trapped charges distributed at shallow states. Moreover, the percentage of the charges trapped at shallow states can be estimated from electrical transition levels.

Original languageEnglish
Article number025304
JournalJournal of Physics D: Applied Physics
Volume45
Issue number2
DOIs
Publication statusPublished - 2012 Jan 18
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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