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Linear polymer rare-earth complex capable of emitting near infrared light, and preparation method and application

A complex and polymer technology, applied in the field of material engineering, to achieve the effects of good dissolution and film formation, good near-infrared luminescence performance, and simple synthesis process

Inactive Publication Date: 2013-10-23
GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are relatively few studies on linear polymer rare earth complexes that are simple to prepare, low in cost, good in solution processability, good in stability, and have good near-infrared luminescent properties.

Method used

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  • Linear polymer rare-earth complex capable of emitting near infrared light, and preparation method and application
  • Linear polymer rare-earth complex capable of emitting near infrared light, and preparation method and application
  • Linear polymer rare-earth complex capable of emitting near infrared light, and preparation method and application

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Experimental program
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Effect test

Embodiment 1

[0051] A preparation method of a linear polymer rare earth complex capable of emitting near-infrared light, comprising the following steps:

[0052] (1) Take 0.1mmol containing CH 2 =CH-COO-CH 2 CH 2 -O-CH 2 - 8-hydroxyquinoline ligand ethylenic monomer (synthesized with reference to the Chinese patent "Linear Copolymer Containing 8-hydroxyquinoline Metal Complex and Its Preparation and Application" (Application No. 200410027706.3)), 5mmol N-ethylene Dissolve carbazole in 10 mL THF, add 0.05 mmol azobisisobutyronitrile, react at 60°C for 48 hours, pour into methanol for reprecipitation 3 times, and obtain a linear polymer ligand containing 8-hydroxyquinoline.

[0053] (2) Get 0.05mmol erbium trichloride and be dissolved in 5mL absolute ethanol, 0.1mmol 8-hydroxyquinoline (Q) be dissolved in 20mL tetrahydrofuran, 8-hydroxyquinoline solution is added dropwise in the rare earth ion solution gradually, Stirring and reacting at 60°C for 12 hours to obtain the organic rare earth...

Embodiment 2

[0060] A preparation method of a linear polymer rare earth complex capable of emitting near-infrared light, comprising the following steps:

[0061] (1) Take 0.5mmol containing CH 2 =C(CH 3 )-COO-CH 2 CH 2 -O-CH 2 - the 8-hydroxyquinoline ligand ethylenic monomer (synthesized with reference to the Chinese patent "linear copolymer containing 8-hydroxyquinoline metal complex and its preparation method and application" (application number 200410027706.3)), 5mmol styrene solution Add 0.05 mmol of azobisisobutyronitrile to 6 mL of toluene, react at 70°C for 24 hours, pour methanol into reprecipitation 3 times, and obtain a linear polymer ligand containing 8-hydroxyquinoline.

[0062] (2) Get 0.05mmol erbium trichloride and dissolve in 2mL ethanol / water (v / v=3 / 2) mixed solvent, 0.1mmol carbazolyl-containing 8-hydroxyquinoline (CzHQ, with reference to literature Luo JX, et al. al.Eur.Polym.J.2011, 47:385 synthesis) was dissolved in 4mL of chloroform, the 8-hydroxyquinoline solut...

Embodiment 3

[0069] A preparation method of a linear polymer rare earth complex capable of emitting near-infrared light, comprising the following steps:

[0070] (1) Take 0.1mmol containing CH 2 =C(CH 3 )-COO-CH 2 - 8-hydroxyquinoline ligand ethylenic monomer (synthesized with reference to the Chinese patent "Linear Copolymer Containing 8-hydroxyquinoline Metal Complex and Its Preparation and Application" (Application No. 200410027706.3)), 4mmol containing phenothione The alkene monomer of oxazine (synthesized with reference to literature LiuXQ, et al.Journal of Applied Polymer Science, 1998, 70: 1191) was dissolved in 8mL N,N-dimethylformamide, added 0.05mmol azobisisobutyronitrile, 90 The reaction was carried out at ℃ for 8 hours, poured into methanol for reprecipitation three times, and a linear polymer ligand containing 8-hydroxyquinoline was obtained.

[0071] (2) Dissolve 0.025mmol of erbium trichloride in 2mL of methanol, 0.05mmol of acetylacetone (acac) in 10mL of tetrahydrofura...

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Abstract

The invention belongs to the field of material engineering and discloses a linear polymer rare-earth complex capable of emitting near infrared light, and a preparation method and application. The rare-earth complex has a structure shown as the formula I. The linear polymer rare-earth complex capable of emitting near infrared light disclosed by the invention has good dissolving and film forming property and thermal stability, long service life and good near infrared light emitting property; furthermore, the material synthetic process is simple; the cost is low; and the linear polymer rare-earth complex has important meanings for preparing practical and efficient electroluminescent plane display device, a light communication assembly, a laser and the like.

Description

technical field [0001] The invention belongs to the field of material engineering, and specifically relates to a photoelectric material, in particular to a linear polymer rare earth complex capable of emitting near-infrared light, a preparation method and application thereof. Background technique [0002] Due to the large light scattering effect in the near-infrared region, the large penetration depth, the absorbed light intensity is small, and its wavelength is short, it is not absorbed by glass or quartz media. It can be used in important fields such as data storage, security marking, astronomical measurement, biological detection and optical fiber communication, especially in military applications such as infrared detection and infrared guidance. Therefore, it is important to find and prepare organic materials with near-infrared photoactivity. Significant, but also quite technically challenging. [0003] Information light sources that play an important role in optical co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F226/12C08F220/36C08F8/42C09K11/06
Inventor 吕满庚罗建新杨朝龙
Owner GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI
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