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Keywords:

  • Diarylethylenes;
  • Photochromic materials;
  • Thin films, polymeric

A photochromic polymer film is prepared by the oxidation polymerization of a diarylethene. The photoreactive conformation is maintained. A pattern can be written on the film using visible light, and upon irradiation with IR light, a non-destructive read-out of the patterned image is carried out. The structural changes resulting from illumination are shown in the Scheme.