Heads and tails: Simultaneous exposed and buried interface imaging of monolayers

Patrick Han; Adam R. Kurland; Andrea N. Giordano; Sanjini U. Nanayakkara; Meaghan M. Blake; Chris M. Pochas; Paul S. Weiss

doi:10.1021/nn901030x

Heads and tails: Simultaneous exposed and buried interface imaging of monolayers

Patrick Han, Adam R. Kurland, Andrea N. Giordano, Sanjini U. Nanayakkara, Meaghan M. Blake, Chris M. Pochas, Paul S. Weiss

Research output: Contribution to journal › Article › peer-review

46 Citations (Scopus)

Abstract

We have simultaneously imaged the chemically bound head groups and exposed tail groups in bicomponent alkanethiolate self-assembled monolayers on Au{111} with molecular resolution. This has enabled us to resolve the controversy of scanning tunneling microscopy image interpretation and to measure the molecular polar tilt and azimuthal angles. Our local measurements demonstrate that ordered domains with different superstructures also have varied buried sulfur head group structures.

Original language	English
Pages (from-to)	3115-3121
Number of pages	7
Journal	ACS Nano
Volume	3
Issue number	10
DOIs	https://doi.org/10.1021/nn901030x
Publication status	Published - 2009 Oct 27

Keywords

Barrier height
Molecular tilt
Scanning tunneling microscopy
Self-assembled monolayers
Sulfur-gold interface

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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10.1021/nn901030x

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AU - Nanayakkara, Sanjini U.

AU - Blake, Meaghan M.

AU - Pochas, Chris M.

AU - Weiss, Paul S.

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AB - We have simultaneously imaged the chemically bound head groups and exposed tail groups in bicomponent alkanethiolate self-assembled monolayers on Au{111} with molecular resolution. This has enabled us to resolve the controversy of scanning tunneling microscopy image interpretation and to measure the molecular polar tilt and azimuthal angles. Our local measurements demonstrate that ordered domains with different superstructures also have varied buried sulfur head group structures.

KW - Barrier height

KW - Molecular tilt

KW - Scanning tunneling microscopy

KW - Self-assembled monolayers

KW - Sulfur-gold interface

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Heads and tails: Simultaneous exposed and buried interface imaging of monolayers

Abstract

Keywords

ASJC Scopus subject areas

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