Mo-O-based three-order non-linear optical material and synthetic method thereof

A technology of third-order nonlinear and optical materials, which is applied in the field of organic-inorganic hybrid third-order nonlinear optical materials and their synthesis, can solve the problems of large nonlinear optical coefficients, complex synthesis, and high optical damage threshold, and achieve large non-linear Linear refraction coefficient, the effect of simple synthesis method

Inactive Publication Date: 2011-09-21
BEIJING UNIV OF CHEM TECH +1
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Problems solved by technology

Organic molecules and polymer nonlinear optical materials have attracted the attention of scientific researchers because of their large nonlinear optical coefficient, wide light transmission wavelength range, short intrinsic switching time, high optical damage threshold, and good processing performance. However, it has the disadvantages of poor thermal stability and complex synthesis.

Method used

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  • Mo-O-based three-order non-linear optical material and synthetic method thereof
  • Mo-O-based three-order non-linear optical material and synthetic method thereof
  • Mo-O-based three-order non-linear optical material and synthetic method thereof

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Embodiment

[0019] 1) 1.021g (0.065mmol) {Mo 132 Dissolve Ac} in 20ml of water, add 0.513g (2.64mmol), and stir for 30 minutes;

[0020] 2) Prepare 1M HCl (5ml), add it to the above solution, continue to stir for 30 minutes, filter and place it, after a few days, filter out the brown-red crystals that grow, rinse with ice water, and dry naturally. Structural analysis by single crystal X-ray diffraction (attached figure 1 ), infrared spectroscopy (attached figure 2 ), ultraviolet spectrum (attached image 3 ) (measured at the wavelength of 532nm its linear absorption coefficient α 0 214m -1 ), Raman spectrum (attached Figure 4 ) Elemental analysis, thermogravimetric analysis and single crystal X-ray structure analysis (unit cell parameters: cubic system, a=4.586nm, b=4.586nm, c=4.568nm, α=90.000°, β=90.000°, γ =90.000°) its molecular formula is (NH 4 ) 42 [{(Mo VI )Mo VI 5 o 21 (H 2 O) 6} 12 {Mo V 2 o 4} 30 (CH 3 COO) 5 (HOOC(CH 2 ) 2 COO) 25 ]·≈100H 2 O.

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Abstract

A Mo-O-based three-order non-linear optical material and a synthetic method thereof belong to the field of functional materials. The molecular formula is (NH4)42[{(Mo<VI>)Mo<VI>5O21(H2O)6}12{Mo<V>2O4}30(CH3COO)5(HOOC(CH2)2COO)25].100H2O. The novel material is prepared by steps of adding ammonium succinate into {Mo132Ac} aqueous solution in a molar ratio of (1-3):(40-80), stirring, acidizing by using HCL, and standing for crystallizing. The organic-inorganic hybrid three-order non-linear optical material provided by the invention does not have obvious nonlinear absorption, but has a relatively large non-linear refraction coefficient and self-defocusing performance. The material is quite stable at normal temperature, and the synthetic method is simple.

Description

technical field [0001] The invention belongs to the field of functional materials, and in particular relates to an organic-inorganic hybrid third-order nonlinear optical material with a Mo-O-based spherical structure and a synthesis method thereof. Background technique [0002] With the development of laser weapons, laser protection becomes more and more urgent. The existing laser protection materials are based on the principle of linear optics. The laser protection glasses made, whether absorbing, reflecting, or composite, have single protection wavelength, low transmittance, and protection angle requirements. And other shortcomings, most of them can only play a protective role on a small number of specific wavelengths, and some can only play a protective role on one wavelength. Nonlinear optical protection is an inevitable trend to meet these challenges. [0003] Inorganic crystals are the earliest nonlinear optical materials studied and have been used in the development...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/355
Inventor 周云山莫志健叶宁张立娟韩瑞雪
Owner BEIJING UNIV OF CHEM TECH
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