Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1674092 | Thin Solid Films | 2008 | 5 Pages |
Abstract
Langmuir (L) film and Langmuir–Blodgett (LB) films of a merocyanine dyes (MC) containing C18 alkyl chain mixed with arachidic acid (AA) and n-octadecane (OD) were fabricated. Surface-pressure–area isotherms of an L film and absorption spectra of LB films deposited on a substrate were measured. Amphiphilic molecular orientation in the L film and the built-up proportion of MC J-aggregates to monomer and H-aggregates in MC-LB films mixed with AA and OD were controlled by altering the molar ratio of AA and OD to MC. The built-up proportion of MC J-aggregates in LB films decreased and the J-aggregates decayed to monomer and H-aggregates by increasing the exposure power of a 608-nm monochromatic light.
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Authors
Masahito Kushida, Yoshiaki Imaizumi, Kieko Harada, Kazuyuki Sugita,