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Keywords:

  • Electro-optical materials;
  • Poly(methyl methacrylate);
  • Thin films
Thumbnail image of graphical abstract

Octupolar films containing 1,3,5-tricyano-2,4,6-tris(p-diethylaminostyryl)benzene in a polymethylmetacrylate matrix are prepared by using free-casting and spin-coating methods and their physical properties are characterized by using polarization microscopy, X-ray diffraction spectra, and second-harmonic generation (see figure). The films exhibit an optimum molecular packing that can find useful applications in electro-optic devices.