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A novel selenoalkenyl-isoxazole based donor–acceptor nonlinear optical material

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Abstract

The structure property relationships of untwinned enantiomorphic Z-(methylseleno)alkenyl-substituted phenyl-isoxazole and its isostructural triazole congener both crystallizing in the P212121 space group were investigated with respect to UV/vis absorption, thermal behaviour, and second harmonic generation ability. Differential scanning calorimetry revealed a significantly higher melting point of the novel isoxazole compound compared to the triazole derivative and therefore a broader thermal application window. The SHG efficiency of the isoxazole derivative is approximately two thirds the value of the triazole compound and approximately 27 times higher than potassium dihydrogen phosphate. Thus, the developed molecular scaffold represents an interesting novel type of nonlinear optical (NLO) chromophore.

Graphical abstract: A novel selenoalkenyl-isoxazole based donor–acceptor nonlinear optical material

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Publication details

The article was received on 06 Nov 2017, accepted on 05 Dec 2017 and first published on 05 Dec 2017


Article type: Communication
DOI: 10.1039/C7CE01925D
Citation: CrystEngComm, 2018, Advance Article
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    A novel selenoalkenyl-isoxazole based donor–acceptor nonlinear optical material

    B. Holzer, B. Stöger, P. Kautny, G. Reider, C. Hametner, J. Fröhlich and D. Lumpi, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C7CE01925D

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