Abstract
A mixed-ligand compound, [Ni2(BPTC)(pyz) · 2H2O] n (0.5H2O) n (BPTC = 3,3′,4, 4′-benzophenone-tetracarboxylate, pyz = pyrazine), has been prepared hydrothermally by assembly of BPTC, NiCl2·6H2O and pyz. X-ray diffraction analysis of a single crystal reveals the three-dimensional framework assembled from pyz-pillared two-dimensional sheets. Three types of channels in one direction are established inside the structure. The third-order nonlinear optical (NLO) properties in DMF have been studied by Z-scan technique using an 8 ns laser at 532 nm. The results reveal that the new compound exhibits strong NLO absorption and self-focusing refractive performance (n 2 = 2.7 × 10−17 m2 W−1).
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