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A kind of second-order nonlinear optical material aluminophosphate and its preparation method and application

A second-order nonlinear, aluminophosphate technology, applied in chemical instruments and methods, inorganic chemistry, phosphorus compounds, etc., can solve problems such as low efficiency and high cost, and achieve simple synthesis process, high yield and low cost Effect

Active Publication Date: 2021-10-22
HEFEI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, at present, the synthesis of these inorganic second-order nonlinear optical crystal materials mostly uses the high-temperature solid-state method with high cost and low efficiency. Therefore, it is of great practical significance to develop and design an aluminophosphate material that can solve the above problems.

Method used

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  • A kind of second-order nonlinear optical material aluminophosphate and its preparation method and application
  • A kind of second-order nonlinear optical material aluminophosphate and its preparation method and application
  • A kind of second-order nonlinear optical material aluminophosphate and its preparation method and application

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Embodiment 1

[0029] 1 material

[0030] The methods used in this example are conventional methods known to those skilled in the art unless otherwise specified, and the reagents and other materials used are all commercially available products unless otherwise specified.

[0031] 2 methods

[0032] 2.1 Preparation of aluminophosphate

[0033] For every 0.5mL of deionized water, add 1-1.3mmol potassium hydroxide, 0.2-0.3mmol aluminum oxide, 0.5-0.65mmol sodium fluoride, 0.15-0.25mmol phosphoric acid solution (85%wt) and 3-3.5mmol Boric acid, dissolved under stirring, mixed evenly, transferred to the polytetrafluoroethylene lining, and sealed with a metal jacket to form a reaction kettle, and the reaction kettle was placed in the reaction furnace, and reacted at 200-240 ° C for 12-48h, the reaction After the completion, close the reaction furnace, cool naturally to room temperature, take out the solid-phase mixture in the lining, wash and dry repeatedly with boiling water, and obtain the alu...

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Abstract

The invention relates to a second-order nonlinear optical material aluminophosphate and its preparation method and application. The aluminophosphate is synthesized by low-temperature hydrothermal method, and phosphate and aluminate are mixed in strong alkali, sodium fluoride and Under the condition of boric acid, react at 200-240°C for 12-48h, and finally obtain the aluminophosphate. The present invention combines phosphate and aluminate through a low-temperature hydrothermal synthesis method to obtain aluminophosphate with a new structure and crystallized in a non-core space group. The aluminophosphate has excellent second-order nonlinear optical properties, and its powder The second-order nonlinear optical effect is about 0.12 times KH 2 PO 4 (KDP), the UV absorption cut-off edge is about 380nm.

Description

technical field [0001] The invention belongs to the technical field of second-order nonlinear optical materials, and in particular relates to a second-order nonlinear optical material aluminophosphate and its preparation method and application. Background technique [0002] Nonlinear Optics (NLO) is mainly a science that studies the nonlinear relationship between the response of matter and field strength under the action of strong light, mainly including frequency doubling, frequency mixing, high-order harmonic generation, and light parametric oscillation and amplification. Wait. So far, in the fields of energy, information, medical treatment, scientific research, military and industrial manufacturing, such as laser projection TV, laser blinding weapons, submarine deep-water communication, CD recording, the combination of nonlinear optics and laser technology has been widely used. development and application. At present, the second-order nonlinear optical crystals in pract...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/45
CPCC01B25/45C01P2002/72C01P2002/77C01P2002/84C01P2002/85C01P2004/03C01P2004/60
Inventor 郝玉成何林波葛广杰阮郁周海达薛洋苏婷婷
Owner HEFEI UNIV
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