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Imaging an Ionic Liquid Adlayer by Scanning Tunneling Microscopy at the Solid|Vacuum Interface
Author(s) -
Waldmann Thomas,
Huang HsinHui,
Hoster Harry E.,
Höfft Oliver,
Endres Frank,
Behm R. Jürgen
Publication year - 2011
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201100413
Subject(s) - scanning tunneling microscope , ionic liquid , ionic bonding , chemistry , microscopy , analytical chemistry (journal) , electrochemical scanning tunneling microscope , chemical physics , scanning probe microscopy , materials science , crystallography , scanning tunneling spectroscopy , nanotechnology , ion , optics , organic chemistry , catalysis , physics
Structure formation in an ionic liquid adlayer: First molecularly resolved scanning tunneling microscopy images of an ionic liquid adlayer ([Py 1,4 ] + [FAP] − (see image)), evaporated on a Au(111) surface, resolve a molecular pattern at 210 K with a distinct short range order, indicating a 2D solid, while at room temperature, the mobility of the adlayer is too high to resolve molecular features, as expected for a 2D liquid.
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