Voltage-driven changes in molecular dipoles yield negative differential resistance at room temperature

Yoram Selzer, Adi Salomon, Jamal Ghabboun, David Cahen

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Junction function: Molecule-controlled devices based on metal-semiconductor junctions can exhibit negative differential resistance (NDR) at room temperature. The active component is a self-assembled monolayer of molecular dipoles (see schematic representation; X = CF3, CN, H, OMe). A systematic change in the dipole moment of these molecules results in a corresponding systematic change in the NDR effect, thus establishing for the first time molecularly tunable NDR.

Original languageEnglish
Pages (from-to)827-830
Number of pages4
JournalAngewandte Chemie - International Edition
Volume41
Issue number5
DOIs
StatePublished - 1 Mar 2002
Externally publishedYes

Keywords

  • Mercury
  • Molecular devices
  • Monolayers
  • Self-assembly
  • Semiconductors
  • Umpolung

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