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Issue 7, 1996
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Chalcogens as electron donors for selected nonlinear optic phores

Abstract

Three different heteroaromatic charge transfer chromophores, e.g. donor(D)–acceptor(A)-substituted thieno [3,2-b] thiophenes 3 and 4, D-substituted thieno [2,3-c] pyridinium salts 7 and 2-(2′-thienyl)pyridinium salts 10 have been prepared. Alkylchalcogenic ethers were used as D-groups. The molecular first hyperpolarizabilities β were determined by the EFISH method in the case of 3 and 4 and by the HRS method in the case of the ionic compounds 7 and 10. Substitution of the ether oxygen atom by sulfur increases markedly the β value which is not further increased by the higher chalcogens selenium and tellurium.

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Article type: Paper
DOI: 10.1039/P29960001377
Citation: J. Chem. Soc., Perkin Trans. 2, 1996,0, 1377-1384
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    Chalcogens as electron donors for selected nonlinear optic phores

    M. Blenkle, P. Boldt, C. Bräuchle, W. Grahn, I. Ledoux, H. Nerenz, S. Stadler, J. Wichern and J. Zyss, J. Chem. Soc., Perkin Trans. 2, 1996, 0, 1377
    DOI: 10.1039/P29960001377

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