Formation and Structure of Organized Molecular Films of Organo-modified Montmorillonite
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Molecular arrangement and morphology of Langmuir-Blodgett (LB) films for the several organo-modified montmorillonites were investigated by out-of plane and in-plane X-ray diffraction (XRD), and atomic force microscopy (AFM). These organo-modified montmorillonites are formed by cation exchange reaction with quaternary ammonium regents containing octadecyl chain. The organo-modified montmorillonites formed extremely condensed monolayer on the water surface estimated by surface pressure-area (π-Α) isotherms. From the results of out-of plane XRD, formation of highly ordered layer structure was confirmed in these clay LB film. Further, two-dimensional lattice of long alkyl chain of organo-modified parts packed hexagonally or orthorhombically in the films. Surface morphology of Z-type monolayers on solid of organo-modified montmorillonites indicates heterogeneous modification ratio in montmorillonite surface by tapping mode AFM observation.
- 一般社団法人 日本MRSの論文
一般社団法人 日本MRS | 論文
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