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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

Inactive Publication Date: 2005-11-16
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The mechanism of laser damage is still inconclusive

Method used

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  • Sb13 (S8)3 crystalline material, preparation method and application
  • Sb13 (S8)3 crystalline material, preparation method and application
  • Sb13 (S8)3 crystalline material, preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

A SbI3(S8)3 with great light transmission window for ultraviolet light, visual light and infrared light and high second-order non-linear optical coefficient and its preparing process are disclosed. Its large-size monocrystal can be easily prepared, so it can be used as the second-order non-linear optical material for infrared band.

Description

technical field [0001] The present invention relates to SbI 3 (S 8 ) 3 The crystal material and its preparation method and application belong to the field of inorganic chemistry and also belong to the field of optical materials. Background technique [0002] Nonlinear optical effects originate from the interaction between laser and medium. When the laser propagates in a medium with non-zero second-order polarizability, nonlinear optical effects such as frequency doubling, sum frequency, difference frequency, and parametric amplification will occur. Using the second-order nonlinear optical effect of crystals, nonlinear optical devices such as second harmonic generators, frequency converters, and optical parametric oscillators can be made. Inorganic nonlinear optical materials play a leading role in the practical research of second-order nonlinear optical materials. According to the light transmission band and scope of application, inorganic nonlinear optical crystal mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/46
Inventor 苏旭秦金贵张刚刘涛陈创天吴以成
Owner WUHAN UNIV
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