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3-stibium 4-potassium zincate compound and monocrystal as well as preparation method and application thereof

A technology of potassium zincate and compound, applied in the field of composite optical functional material and its synthesis, can solve the problem of no literature report and the like

Inactive Publication Date: 2010-12-29
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

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  • 3-stibium 4-potassium zincate compound and monocrystal as well as preparation method and application thereof
  • 3-stibium 4-potassium zincate compound and monocrystal as well as preparation method and application thereof
  • 3-stibium 4-potassium zincate compound and monocrystal as well as preparation method and application thereof

Examples

Experimental program
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Embodiment 1

[0017] Example 1 Preparation of 3-antimony 4-potassium zincate powder

[0018] K to be weighed according to the stoichiometric ratio 2 CO 3 , ZnO and Sb 2 o 3 Grinding, mixing evenly, putting it into a platinum crucible, and reacting in a muffle furnace at 1200°C for several hours, the pure phase can be obtained, and the yield can reach 100%.

Embodiment 2

[0019] Example 2 Preparation of 3-antimony 4-potassium zincate single crystal

[0020] K will be weighed according to the ratio of K: Zn: Sb = 2: 4: 1 2 CO 3 , ZnCO 3 with Sb 2 o 3 Grind, mix evenly, put it into an iridium crucible, put it into a box furnace for pre-burning at 800°C, and grind it. Finally, keep the temperature at 1600°C for 10h, then slowly lower the temperature in two stages (1400°C and 300°C), and finally allow it to cool naturally from 300°C to room temperature, and many colorless and transparent flaky crystals are obtained at the bottom of the crucible. Single crystal X-ray diffraction crystallographic analysis was carried out on this crystal, and it was known that it was 3-antimony 4-potassium zincate, and the structure was as attached figure 1 shown. Its crystallographic parameters: its chemical formula is KZn 4 Sb 3 o 12 , molecular weight is 857.83, belongs to trigonal crystal system, space group R3, unit cell parameters are a=10.867(9), b=10...

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Abstract

The invention relates to a 3-stibium 4-potassium zincate compound and monocrystal as well as a preparation method and application thereof. The monocrystal has a chemical formula of KZn4Sb3O12, and belongs to a trigonal system and a space group R3; the molecular weight of the monocrystal is 857.83; and the unit cell parameters are: a=10.867(9), b=10.867(9), alpha=90 degrees, beta=90 degrees, gamma=120 degrees, and Z=3. The monocrystal is prepared by a high temperature solid-phase method. The 3-stibium 4-potassium zincate (KZn4Sb3O12) has favorable nonlinear optical properties; the SHG (Second Harmonic Generation) parameter of powder thereof is one time equivalent to that of KDP (potassium dihydrogen phosphate); the emission wavelength covers a visible region; two wide emission bands exist at 400-700nm and 700-850nm; and the highest emission peaks are respectively located at the 524nm position and the 769nm position. The monocrystal is hopeful to become a white light illumination material.

Description

technical field [0001] The invention relates to a composite optical functional material integrating nonlinear optics and luminous performance and its synthesis. Background technique [0002] Nonlinear optical crystals, with frequency doubling effect (SHG), have important application value in high-tech fields such as laser frequency conversion, electro-optical modulation, and photorefractive information processing. Nonlinear optical materials are used in modern science and technology, especially in several military and civilian high-tech fields, such as submarine deep-water communication, laser blinding weapons, marine fish detection, optical disc recording, color laser printing, laser projection TV, optical computing and Optical fiber communication, etc., have a series of important applications. The nonlinear optical crystals currently used in practice include LiB 3 o 5 (LBO), β-BaB 2 o 4 (BBO), KH 2 PO 4 (KDP), KTiOPO 4 (KTP), LiNbO 3 (LNO) and BaTiO 3 (BTO) and s...

Claims

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Application Information

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IPC IPC(8): G02F1/355C30B29/10C30B1/10
Inventor 杨松林程文旦张浩何长振林晨升
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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