Substituent variation drives metal/monolayer/semiconductor junctions from strongly rectifying to ohmic behavior

Yahia, Abd Elrazek Haj Yahia, Omer Yaffe, Tatyana Bendikov, Hagai Cohen, Yishay (Isai) Feldman, Ayelet Vilan, David Cahen

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

An eight-orders of magnitude enhancement in current across Hg/X-styrene-Si junctions is caused by merely altering a substituent, X. Interface states are passivated and, depending on X, the Si Schottky junction encompasses the full range from Ohmic to strongly rectifying. This powerful electrostatic molecular effect has immediate implications for interface band alignment and sensing.

Original languageEnglish
Pages (from-to)702-706
Number of pages5
JournalAdvanced Materials
Volume25
Issue number5
DOIs
Publication statusPublished - 6 Feb 2013

Funding

Israel Science Foundation, ISF, through its Centre of Excellence programs; Wolfson Family Charitable Foundation; Grand Centre for Sensors and Security; GMJ Schmidt Minerva center for Supramolecular architectureWe thank Drs. Rotem Har-Lavan and Robert Lovrincic for fruitful discussions, the Israel Science Foundation, ISF, through its Centre of Excellence programs, the Wolfson Family Charitable Foundation, the Grand Centre for Sensors and Security and the GMJ Schmidt Minerva center for Supramolecular architecture for partial support. This work was made possible in part by the historic generosity of the Harold Perlman family. D.C. holds the Sylvia and Rowland Schaefer Chair in Energy Research.

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • General Materials Science

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