Organic eutectic gain material and preparation method and application thereof in laser performance

An organic and organic solvent technology, applied in the field of new organic eutectic gain material and its preparation method, and its application in laser performance, can solve the problems such as difficult to obtain optical gain, and achieve the effect of improving laser performance

Active Publication Date: 2020-04-21
INST OF CHEM CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is currently a lack of an effective means to control the energy level structure of the eutectic
2. Many of the co-crystals currently reported are charge-transfer co-crystals, but the strong charge-transfer transition will bring a non-radiative inactivation channel, which makes it difficult for us to obtain sufficient optical gain
Furthermore, there is a lot of randomness and uncertainty in the choice of materials to form co-crystals with specific functions

Method used

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  • Organic eutectic gain material and preparation method and application thereof in laser performance
  • Organic eutectic gain material and preparation method and application thereof in laser performance
  • Organic eutectic gain material and preparation method and application thereof in laser performance

Examples

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preparation example 1

[0059] Preparation example 1 Preparation of laser dye molecule MPI

[0060] Compound MPI shown in the synthetic formula (1 ') according to the following route:

[0061] Its specific preparation process is as follows:

[0062] Dissolve 2.615 ml of salicylaldehyde in 10 ml of ethanol and set aside. 3.103 g of 2-amino-5-methoxypyridine were dissolved in 30 ml of ethanol and mixed with the above salicylaldehyde solution. The mixed solution was refluxed for 2 hours. After the reaction, the mixed solution was cooled to room temperature and filtered to obtain the product. The product was washed with deionized water and dried under vacuum. Further recrystallization of the product (from hot ethanol solution) can give yellow needle-like crystals, namely MPI.

[0063]

Embodiment 1

[0065] The specific preparation process of the organic eutectic gain material MFC is as follows:

[0066] 1) The compounds MPI and halobenzene F4DIB prepared in Preparation Example 1 were dissolved in acetonitrile solvent respectively to obtain an MPI acetonitrile solution with a concentration of 5mmol / L and a F4DIB acetonitrile solution with a concentration of 5mmol / L;

[0067] 2) The above-mentioned MPI acetonitrile solution with a concentration of 5mmol / L and the F4DIB acetonitrile solution with a concentration of 5mmol / L are fully mixed according to the molar ratio of MPI and F4DIB being 2:1 to obtain a two-component mixed system;

[0068] 3) Add 20 μL of the mixed solution prepared in step 2) dropwise on a glass slide, and place it in a n-hexane atmosphere. After the acetonitrile solvent is completely evaporated, a microsheet structure can be obtained, which is denoted as MFC.

[0069] The MFC prepared in Example 1 can be used in the field of organic micro-nano lasers due...

Embodiment 2

[0071] The specific preparation process of the organic eutectic gain material MIC is as follows:

[0072] 1) The compound MPI and halogenated benzene IFB prepared in Preparation Example 1 were dissolved in acetonitrile solvent respectively to obtain an MPI acetonitrile solution with a concentration of 5 mmol / L and an IFB acetonitrile solution with a concentration of 5 mmol / L;

[0073] 2) The above-mentioned MPI acetonitrile solution with a concentration of 5mmol / L and the IFB acetonitrile solution with a concentration of 5mmol / L are fully mixed according to the molar ratio of MPI and IFB as 1:1 to obtain a two-component mixed system;

[0074] 3) Add 20 μL of the mixed solution prepared in step 2) dropwise on a glass slide, and place it in a n-hexane atmosphere. After the acetonitrile solvent is completely evaporated, a microring structure can be obtained, which is recorded as MIC.

[0075] The MIC prepared in Example 2 can be used in the field of organic micro-nano lasers due ...

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Abstract

The invention provides an organic eutectic gain material as well as a preparation method and application thereof in laser performance. Different intermolecular interactions of the organic eutectic gain material cause the organic eutectic gain material to be assembled into a specific micro-nano structure (such as a micron sheet and a micron ring); the organic eutectic gain material with the specific micro-nano structure can be used as a high-quality optical resonant cavity to provide optical feedback and mode selection for eutectic stimulated radiation; the interaction between halogen bonds ofthe organic eutectic gain material only brings about weak charge transfer, so that a favorable four-energy-level structure is reserved in eutectic to realize final laser radiation; meanwhile, the intermolecular interaction of the organic eutectic gain material can be regulated and controlled by changing a halogen bond donor, so that the assembly structure and the energy level structure are changed, and finally, the regulation and control on eutectic laser properties are realized. Eutectic optically pumped laser radiation is achieved for the first time in the material, and the laser propertiesare adjusted by changing the halogen bond donor.

Description

technical field [0001] The invention belongs to the technical field of organic micro-nano lasers, and in particular relates to a novel organic eutectic gain material, its preparation method and its application in laser performance. Background technique [0002] Miniaturized lasers have attracted considerable attention for their potential applications in high-throughput sensing, 3D imaging, and integrated photonic circuits. As an attractive gain medium, organic materials not only show great advantages in tuning the structure of resonant microcavities, but also exhibit excellent broadband gain performance, which is coupled with abundant intermolecular interactions and tunable energy levels and Excited state processes are inseparable. More importantly, weak interactions between organic molecules can drive the cooperative assembly of P-type and N-type molecules to obtain composite structures with ambipolar transport properties. Such a composite structure is very important for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D213/74C07C25/13C07C25/02C07C63/70C07C39/27H01S3/16H01S3/08
CPCC07B2200/13C07C25/02C07C25/13C07C39/27C07C63/70C07D213/74H01S3/08H01S3/16
Inventor 赵永生褚曼曼李勇军
Owner INST OF CHEM CHINESE ACAD OF SCI
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