Hydrogen Chloride Induced Reorganization of Packing Phases in Self‐assembled Monolayers of n‐Alkanoic Acids on Silver Surface | Zendy

Tao YuTai | Zendy; Ma LiFang | Zendy

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Hydrogen Chloride Induced Reorganization of Packing Phases in Self‐assembled Monolayers of n‐Alkanoic Acids on Silver Surface

Author(s) -

Tao YuTai,

Ma LiFang

Publication year - 1994

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.199400064

Subject(s) - chemistry , monolayer , deprotonation , self assembly , protonation , phase (matter) , crystallography , chloride , polymer chemistry , inorganic chemistry , organic chemistry , ion , biochemistry

A unique reorganization process, which was induced by HCI treatment of the self‐assembled monolayers of n‐alkanoic acids on silver surfaces, was visualized by polarized reflection absorption IR spectroscopy. The process can be reversible or irreversible, depending on the chain length of the monolayer‐forming acid. Thus for C16 acid, the highly oriented and crystalline monolayer packing phase reorganized reversibly into isotropic microcrystallites. For C8 acid, the ordered packing phase reorganized irreversibly into a disordered, liquid‐like phase. For C24 acid, reversible change in orientation occurred. All changes are due to the protonation‐deprotonation reaction occurring at the binding head group.

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