Gold-chloroindium phthalocyanine (ClInPc)-metal sandwich structures

P. D. Hooper, Michael I. Newton, G. Mchale, M. R. Willis

Research output: Contribution to journalArticlepeer-review

Abstract

The electrical properties of chloroindium phthalocyanine (ClInPc) in a Au-ClInPc-metal sandwich structure were measured, both in a vacuum (<1.3 mPa) and at atmospheric pressure using Au, Sn and Al top contacts. In addition to current-voltage characteristics, the electroluminescence (EL) from the devices was measured and, in a vacuum, the electron emission (EE). At atmosphere all the devices show a nonlinear conduction that decays slowly over many hours. In the vacuum the Au-ClInPc-Au devices display a voltage-controlled negative differential resistance (NDR) accompanied by a peak in the electroluminescence and high field electron emission. The Au-ClInPc-Sn devices in the vacuum show an NDR with a distinct valley but with no detectable electroluminescence or electron emission. The Au-ClInPc-Al devices do not display NDR under vacuum, but show nonlinear conduction approximately 30 times greater than that observed at atmosphere.
Original languageEnglish
Pages (from-to)371-376
Number of pages6
JournalInternational journal of electronics
Volume81
Issue number4
DOIs
Publication statusPublished - 1 Oct 1996

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