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Keywords:

  • titanium oxide hydrates;
  • molecular hybrids;
  • photochromism;
  • thermochromism;
  • dichroism
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A hybrid material based on titanium oxide hydrates and poly(vinyl alcohol) is presented that is fully transparent even at high content of the inorganic species and which exhibits a reversible change in coloration from transparent/colorless to blue upon exposure to UV irradiation and an irreversible transition to yellow and red during annealing. Dichroic structures are produced by tensile drawing followed by annealing.