The rate of charge tunneling through self-assembled monolayers is insensitive to many functional group substitutions

Hyo Jae Yoon, Nathan D. Shapiro, Kyeng Min Park, Martin M. Thuo, Siowling Soh, George M. Whitesides

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Insensitivity: A series of molecules containing a common head group and body as well as structurally varied tail groups (-R) has been used in junctions with the structure Ag/S(CH 2) 4CONH(CH 2) 2R//Ga 2O 3/EGaIn to study the rates of charge transport by tunneling. Changing the structure of R over a range of common aliphatic, aromatic, and heteroaromatic organic groups was found to not significantly influence the rate of tunneling (see plots; the dashed lines represent calibration standards).

Original languageEnglish
Pages (from-to)4658-4661
Number of pages4
JournalAngewandte Chemie - International Edition
Volume51
Issue number19
DOIs
Publication statusPublished - 2012 May 7

Keywords

  • charge transport
  • molecular electronics
  • monolayers
  • tunnel junctions

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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