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Ordered Arrays of Molecular Monolayers of Macrotricyclic Ammonium Cage Hosts as Chloride Receptors
Author(s) -
Ichikawa Kazuhiko,
Yamada Masanori,
Ito Naohito
Publication year - 1998
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19980515)4:5<914::aid-chem914>3.0.co;2-b
Subject(s) - monolayer , chemistry , monatomic ion , chloride , atomic force microscopy , receptor , crystallography , steric effects , metastability , ammonium chloride , ammonium , stereochemistry , nanotechnology , materials science , organic chemistry , biochemistry
Atomic force microscopy images (below left) showed ordered arrays (below right) for two chloride receptor species at the interface between an NaCl(001) surface and water. In contrast, the interaction between a molecular monolayer of a similar fluoride receptor and the NaCl(001) surface was so weak that no order was seen: this cage host is too small to encapsulate Cl − , whereas the arrays of the chlorine receptors were constructed by self‐assembly through their encapsulation of Cl − from the metastable monatomic layer at the interface, as well as through steric fit.