Crystal structure and the role of cation group factor in the third-order nonlinear optical properties of cadmium complexes constructed by 1,3-dithiole-2-thione-4,5-dithiolato ligand
2011
A cadmium complex bis(benzyltriethylammonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)-cadmium(II) ((TEBA)2[Cd(DMIT)2]) has been synthesized and its crystal structure has been determined by means of X-ray single-crystal diffraction. The central cadmium(II) ion coordinates with two DMIT, which constructed a distorted tetrahedron environment. Its third-order nonlinear optical properties have been studied using Z-scan technique with 20 ps pulses at wavelength 1064 nm. Its third-order nonlinear susceptibility χ(3) value was determined to be 1.24 × 10−19 m2 V−2, the figure of merit, χ(3)/α0, was estimated to be 2.64 × 10−20 m3 V−2. Copyright © 2011 John Wiley & Sons, Ltd.
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