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Liquid-Phase Photochromic Composition Based on Titanium and Silver Compounds

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Journal of Applied Spectroscopy Aims and scope

We have observed a photochromic colorization effect in a liquid-phase system based on a solution of silver nitrate in N,N-diethylacetamide and a solution of titanium alkoxide (tetrabutoxytitanium, polybutyl titanate etc.) in the presence of chloride or bromide ions. Colorization occurs on exposure to visible light or UV radiation, and is characterized by the appearance of an optical absorption band with maximum at 430–440 nm. When the colored composition is held in the dark, it is decolorized over a 2–12 hour period; at least 50 reversible colorization/ decolorization cycles can be achieved.

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Authors and Affiliations

  1. Institute of Physico-Chemical Problems at Belarusian State University, Minsk, Belarus

    G. A. Branitsky

  2. Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, 9/1 Surganov Str., Minsk, 220072, Belarus

    A. I. Kulak

Authors
  1. G. A. Branitsky
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  2. A. I. Kulak
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Correspondence to A. I. Kulak.

Additional information

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 81, No. 2, pp. 301–304, March–April, 2014.

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Branitsky, G.A., Kulak, A.I. Liquid-Phase Photochromic Composition Based on Titanium and Silver Compounds. J Appl Spectrosc 81, 297–300 (2014). https://doi.org/10.1007/s10812-014-9925-6

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  • DOI: https://doi.org/10.1007/s10812-014-9925-6

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