Abstract
A series of chloronitroaniline compounds were investigated as bulk crystals and in thin film form as potential nonlinear optical materials for use in electro-optic devices. Crystal structure determination and computational modelling were completed on 5- chloro-2-nitroaniline and electro-optic measurements were performed on crystals grown by physical vapor deposition. Second harmonic generation measurements were carried out on poled guest/host systems of 3-chloro-4-nitroaniline in poly(methylmethacrylate).
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The molecular coordinate system, as shown in Figure 3, is defined such that the x-axis is along the vector joining the nitro- and amino- groups, and the y-axis is also on the molecular plane. The dipole moment coordinate system (x′,y′,z′) is also shown in Figure 3, in which x’ is parallel to the ground state dipole moment of the molecule. The crystal coordinate system (a,b,c) is shown in Figure 4. The optical axis system (X,Y,Z) is defined as X parallel to b; Y parallel to c and Z parallel to a.
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Gerbi, D.J., Boyd, G.T., Ender, D.A. et al. Nonlinear Optical Properties of Chloronitroanilines. MRS Online Proceedings Library 109, 331–338 (1987). https://doi.org/10.1557/PROC-109-331
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DOI: https://doi.org/10.1557/PROC-109-331