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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 11
BKCSDE 19(11)
November 20, 1998

Title	Reversible Optical Information Storage of Self-Assembled Alternating Multilayer Films: Bipolar Amphiphile-Polyelectrolyte
Author	Jong-Dal Hong, Eung-Soo Park, Ae-Li Park
Keywords
Abstract	Alternating multilayer films of a cationic bipolar amphiphile and an anionic polyelectrolyte were prepared by a self-assembly method based on electrostatic attraction between opposite charges. The bipolar amphiphile contains an azobenzene unit in order to allow for a trans-cis photoisomerization to take place. Optical birefringence or dichroism was induced in the self-assembled film upon linearly polarized light irradiation. This dichroism could be reversibly written and erased by irradiation with light of an appropriate wavelength.
Page	1156 - 1160
Full Text	PDF

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