Sb13 (S8)3 crystalline material, preparation method and application
A crystal material, tetrahedral technology, applied in the direction of polycrystalline material growth, crystal growth, chemical instruments and methods, etc., to achieve the effect of high nonlinear optical coefficient
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Embodiment 1
[0023] Example 1: SbI 3 (S 8 ) 3 preparation of
[0024] 1.00g (2mmol) SbI 3 and 3.09g (8mmol) S 8 Mix in about 100ml of anhydrous carbon disulfide, reflux and stir until SbI 3 Completely dissolved, cooled naturally to room temperature, filtered, and the filtrate was left standing at room temperature, and a large number of light yellow crystals gradually precipitated. Suction filtration, and dry the product under an infrared lamp.
Embodiment 2
[0025] Example 2: SbI 3 (S 8 ) 3 single crystal growth
[0026] SbI 3 (S 8 ) 3 The carbon disulfide saturated solution was placed in a constant temperature box at 10°C, and transparent small seed crystals without obvious defects were added. After about 20 days, it grows into a larger-sized rod-shaped transparent single crystal.
[0027] The obtained compound was subjected to X-ray single crystal diffraction, and the crystal structure was determined. Its crystal structure is arranged in figure 1 , 2 . It can be seen from the figure that each Sb atom is connected with three surrounding I atoms, and the Sb-I bond length is 2.7495 Å; the three I atoms and the lone pair of electrons on the Sb atom form a distorted tetrahedral configuration. The configuration has a large microscopic second-order nonlinear optical effect; each [SbI 3 There are 6 around the ] group (S 8 ) ring, the bond length analysis shows that the adjacent rings are connected to each other by super van ...
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