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Ethyne-linked push-pull chromophores: implications of crystal structure and molecular electronics on the quadric nonlinear activity

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    0479763 - FZÚ 2018 RIV US eng J - Journal Article
    Kautny, P. - Kriegner, H. - Bader, D. - Dušek, Michal - Reider, G.A. - Froehlich, J. - Stoeger, B.
    Ethyne-linked push-pull chromophores: implications of crystal structure and molecular electronics on the quadric nonlinear activity.
    Crystal Growth & Design. Roč. 17, č. 8 (2017), s. 4124-4136. ISSN 1528-7483. E-ISSN 1528-7505
    R&D Projects: GA ČR(CZ) GA15-12653S; GA MŠMT LO1603
    EU Projects: European Commission(XE) CZ.2.16/3.1.00/24510
    Institutional support: RVO:68378271
    Keywords : ethyne-linked materials * nonlinear optical chromophores * molecular structure * optical activity
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 3.972, year: 2017

    Three ethyne-linked push−pull materials consisting of a dimethylaniline donor and acceptors of increasing electron-withdrawing strength were prepared as nonlinear optical chromophores. Despite a high similarity of the molecular structures, all three materials featured unrelated non-centrosymmetric crystallization behavior. Inspection of the nonlinear optical activity of single crystalline powders revealed an extraordinarily efficient second harmonic generation of one of the materials with a 1200-fold increased second harmonic response compared to potassium dihydrogen phosphate.
    Permanent Link: http://hdl.handle.net/11104/0275706

     
     
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