Heads and tails: simultaneous exposed and buried interface imaging of monolayers.
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.
Han
Patrick
P
Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
Kurland
Adam R
AR
Giordano
Andrea N
AN
Nanayakkara
Sanjini U
SU
Blake
Meaghan M
MM
Pochas
Chris M
CM
Weiss
Paul S
PS
D000473:Alkanes / Q000737:chemistry; D016252:Microscopy, Scanning Tunneling; D057054:Molecular Imaging / Q000379:methods*; D013438:Sulfhydryl Compounds / Q000737:chemistry; D013997:Time Factors
D000473:Alkanes; D013438:Sulfhydryl Compounds