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Photochromism of some azobenzene derivatives in thin films as a function of the chemical properties of the molecule

  • E. Markava*
  • , D. Gustina
  • , I. Muzikante
  • , L. Gerca
  • , M. Rutkis
  • , E. Fonavs
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The effect of the modification of the structure of azobenzene molecule by introduction a variety of functional groups on the photoisomerization in Langmuir-Blodgett and vacuum evaporated films has been investigated. The switching effect of the absorption, the surface potential and the electrical properties in thin layers of compounds has been discussed. A novel approach to the design of azobenzene amphiphiles, such as introduction of large bulky substituents in the molecule providing for a free volume necessary for the trans-to-cis photoisomerization, gave a number of valuable photochromic materials for investigation of reversible optically induced switching processes.

Original languageEnglish
Pages (from-to)381-400
Number of pages20
JournalMolecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals
Volume355
DOIs
Publication statusPublished - Jan 2001
Externally publishedYes

Keywords

  • Absorption
  • Azobenzene derivatives
  • Langmuir-Blodget films
  • Optically induced switching
  • Surface potential
  • Vacuum evaporated films

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