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Preparation of Dithienylethene with Amino Groups, and Photochromic Behavior in Langmuir-Blodgett Film of the Amphiphilicdithienylethene

Author(s): Tetsuzo Fujise | Michinori Takeshita | Koichi Sakaguchi | Masanao Era

Journal: International Journal of Organic Chemistry
ISSN 2161-4687

Volume: 03;
Issue: 02;
Start page: 158;
Date: 2013;
Original page

Keywords: Amphiphilic Dithienylethene | Langmuir-Blodgett Film | Photochromic Material | Dodecyl Benzenesulfonic Acid

We successfully synthesized dithienylethene with amino groups. Then, we successfully prepared Langmuir-Blodgett (LB) films of the dithienylethene having ammonium cation group when dodecyl benzene sulfonic acid was employed as an anionic counter ion. From X-ray diffraction profiles, however, it was demonstrated that they did not form well-defined layered structure; X-ray diffraction peaks were much broadened. Photochromic behavior was confirmed in the LB films. Unfortunately, the LB films were not so stable; photochromic reaction was observed only several times in the LB films.
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