Quasi-Crystals Produced by Colloidal Photochromic Dyes in an Applied Electric Field
- V. A. KrongauzAffiliated withDepartment of Structural Chemistry, The Weizmann Institute of Science
Colloidal solutions are formed during the photochemical transformation of solutions of photochromic spiropyrans in non-polar solvents. The systems are composed of globules ~ 0.1–0.4 µm in diameter. The globules consist of highly dipolar crystalline nuclei enclosed in amorphous envelopes. In a constant external electric field linear quasi-crystalline material is formed composed of globules joined together like straight strings of beads aligned along the electric lines of force. The distinctive features of quasi-crystal formation were studied in the electron microscope.
- Quasi-Crystals Produced by Colloidal Photochromic Dyes in an Applied Electric Field
- Book Title
- Electro-Optics and Dielectrics of Macromolecules and Colloids
- pp 329-336
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- Springer US
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- Springer-Verlag US
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