Published January 1, 2018
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Triphenylamine-based allylidenemalononitrile chromophores: synthesis, and photophysical and second-order nonlinear optical properties
Creators
- 1. Gazi Univ, Dept Chem, TR-06500 Ankara, Turkey
- 2. Gazi Univ, Inst Sci & Technol, Adv Technol Dept, Ankara, Turkey
- 3. Univ Rennes, CNRS, Inst Sci Chim Rennes, UMR6226, F-35000 Rennes, France
- 4. Univ Strasbourg, IPCMS, UMR 7504, Dept Opt Ultrarapide & Nanophoton,CNRS, 23 Rue Loess,BP 43, F-67034 Strasbourg 2, France
Description
A series of chromophores based on a mono-, di- or tri-substituted triphenylamine core and allylidenemalononitrile fragments has been designed. The linear and second order nonlinear optical properties as well as thermal stability of the chromophores have been studied experimentally. Structure-property relationships, in terms of the branching effect on the triphenylamine core and the influence of the aniline/coumarin part on the photophysical properties and NLO response, have been highlighted. The experimental results have been rationalized by theoretical calculations.
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