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Inorganic compound Na2Sn(IO3)6 as well as preparation method and application thereof

A technology of inorganic compounds and chemical formulas, applied in iodine oxygen compounds, chemical instruments and methods, optics, etc., can solve problems that have not been reported in the literature

Active Publication Date: 2014-09-03
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This application further broadens the research of quaternary iodate, the first time Sn 4+ Ions were introduced into iodate, and a new type of quaternary iodate Na 2 Sn(IO 3 ) 6 , related work has not been reported in the literature so far

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  • Inorganic compound Na2Sn(IO3)6 as well as preparation method and application thereof
  • Inorganic compound Na2Sn(IO3)6 as well as preparation method and application thereof
  • Inorganic compound Na2Sn(IO3)6 as well as preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1 adopts hydrothermal synthesis method to synthesize inorganic compound Na 2 Sn(IO 3 ) 6 the crystal

[0032] Mix the sodium source, tin source, iodine source and water according to a certain ratio, seal it in a 25mL polytetrafluoroethylene-lined hydrothermal reaction kettle, put it in a box-type resistance furnace, and crystallize it at the crystallization temperature for a period of time After filtering, washing and drying, a colorless needle-like Na 2 Sn(IO 3 ) 6 crystals. The relationship between the types of sodium source, tin source and iodine source, the ratio of each raw material, crystallization temperature, crystallization time and sample number is shown in Table 1.

[0033] Table 1Na 2 Sn(IO 3 ) 6 The relationship between synthesis conditions and sample numbers

[0034]

[0035] a The number of moles of sodium source is calculated by the number of moles of sodium element contained therein; the number of moles of tin source is calculat...

Embodiment 2

[0036] Embodiment 2 inorganic compound Na 2 Sn(IO 3 ) 6 Analysis of the crystal structure of

[0037] The structures of samples 1# to 12# were analyzed by single crystal X-ray diffraction and powder X-ray diffraction.

[0038] The single crystal X-ray diffraction was carried out on a SuperNova CCD X-ray single crystal diffractometer of Agilent Company, USA. The crystal size is 0.09×0.07×0.04mm 3 ; The data collection temperature is 293K, and the diffraction light source is Mo-Kα ray monochromated by graphite The scanning method is ω-2θ; the data is processed by the Multi-Scan method for absorption correction. Structural analysis was completed using the SHELXTL-97 program package; the position of the heavy atom was determined by the direct method, and the coordinates of the remaining atoms were obtained by the difference Fourier synthesis method; 2 The full-matrix least-squares method was used to refine all atomic coordinates and anisotropic thermal parameters.

[0039]...

Embodiment 3

[0046] Embodiment 3 frequency doubling test experiment and result

[0047] The frequency doubling test experiment of sample 1# is as follows: the laser with a wavelength of 1064nm generated by a Q-switched Nd:YAG solid-state laser is used as the fundamental frequency light, and the crystal powder to be tested is irradiated, and the secondary frequency of 532nm produced by photomultiplier tubes is detected. Harmonics, use an oscilloscope to display the strength of the harmonics. Grind the crystal sample to be tested and the standard sample KDP crystal, and use a standard sieve to screen crystals of different particle sizes, the particle sizes are 25-45μm, 45-53μm, 53-75μm, 75-105μm, 105-150μm, 150-210μm , 210-300μm. Observe the change trend of the multiplier signal with the particle size, and judge whether it can achieve phase matching. Under the same test conditions, compare the intensity of the second harmonic generated by the sample with the intensity of the second harmoni...

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Abstract

The invention relates to an inorganic compound Na2Sn(IO3)6 as well as a preparation method and application thereof. The chemical formula of the compound is Na2Sn(IO3)6 and belongs to a hexagonal system, the space group is P63, and the unit cell parameters are shown in the specification, and the unit cell volume is shown in the specification. The colorless acicular Na2Sn(IO3)6 crystal is prepared by using a hydrothermal method. The powder frequency-double effect of the Na2Sn(IO3)6 crystal is 12 times of that of KH2PO4, and the ultraviolet cutoff edge of the Na2Sn(IO3)6 crystal is about 300nm.

Description

technical field [0001] The invention relates to a novel nonlinear optical crystal material. Background technique [0002] Nonlinear optical crystals are important optoelectronic functional materials, and various crystal devices that can be prepared, such as frequency doubling devices, electro-optic switches, high-speed photodetection devices, and holographic storage elements, are widely used in the field of optoelectronic technology. A large number of metal iodates with non-central structures exhibit excellent second-order nonlinear optical properties and have attracted extensive research interest. Simple ternary iodate, such as α-HIO, which was studied in the 1970s 3 , α-LiIO 3 and some newly reported NaI 3 o 8 , α-Cs 2 I 4 o 11 etc., all exhibit excellent second-order nonlinear optical properties. In recent years, the research work on iodates has been extended to mixed metal quaternary iodate systems, especially those containing d 0 Mixed metal iodates of transiti...

Claims

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Application Information

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IPC IPC(8): C30B29/10C30B7/10G02F1/355G02F1/37C01B11/22
Inventor 徐翔毛江高
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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