Organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, preparation method and application thereof

A technology of silsesquioxane and blue light materials, applied in the directions of luminescent materials, chemical instruments and methods, etc., can solve the problem that the luminescence purity and luminescence wavelength are difficult to control, the number of additions and the structure of hybrid molecules cannot be controlled, and the energy transfer cannot be controlled. and other problems, to achieve the effect of convenient source of raw materials, low cost, easy processing and molding

Inactive Publication Date: 2009-11-11
DONGHUA UNIV
View PDF8 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Jesse D.Froehlich et al. (Chem.Mater.2007, 19:4991) reported a multifunctional POSS organic-inorganic hybrid luminescent material, which effectively improved the thermal properties of the material, but the number of luminescent groups added to POSS And the hybrid molecular structure is uncontrollable, the obtained luminescent material is a mixture of different numbers of luminescent groups, the energy transfer between each group is uncontrollable, and as a result, the luminescence purity and luminescence wavelength are difficult to control

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, preparation method and application thereof
  • Organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, preparation method and application thereof
  • Organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Hybrid materials of octavinyl POSS and 2-(4-mercaptostyryl)-9,9-dibutylfluorene

[0062] Octavinyl POSS (6.33g 10mmol) and 2-(4-mercaptostyryl)-9,9-dibutylfluorene (32.96g 80mmol) were dissolved in 50ml DMF, and irradiated by ultraviolet light for 4h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 29 SH 32 ) 8 Si 8 o 12 , Yield 99%, Luminescence peak wavelength: 475nm.

[0063]

Embodiment 2

[0065] Reaction of octavinyl POSS with 2-(4-mercaptostyryl)-9,9-dibutylfluorene, 1-mercaptobutane-terminated hybrid materials

[0066] Dissolve octavinyl POSS (6.33g 10mmol), 2-(4-mercaptostyryl)-9,9-dibutylfluorene (28.84g 70mmol) in 50ml DMF, irradiate with ultraviolet light for 4h, and then inject 1-mercapto Butane (0.9g 10mmol) was capped under light for 4h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 29 SH 32 ) 7 (C 4 SH 10 ) Si 8 o 12 , Yield 95%, Luminescence Peak Wavelength: 475nm.

[0067]

Embodiment 3

[0069] Mix vinyl POSS (56.97g 90mmol), 2-(4-mercaptostyrene)-9,9-dibutylfluorene (65.62g 120mmol) and 1-mercaptobutane (43.2g 480mmol) into a three-necked flask , UV light, reaction time 2 ~ 10h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 37 S 2 h 38 ) 12 (C 4 SH 10 ) 48 (Si 8 o 12 ) 9 , Yield 92%, luminescence peak wavelength: 478nm.

[0070]

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to an organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, wherein components of the blue light luminescent material comprise terminal functional polyhedral oligomeric silsesquioxane (POSS) and terminal monofunctional or difunctional luminescent molecules; and the molar ratio of the terminal functional POSS to the terminal monofunctional or difunctional luminescent molecules is 1: 1-8. A preparation method comprises the steps of: adding the terminal functional POSS and the terminal monofunctional or difunctional luminescent molecules according to the molar ratio of 1: 1-8 at room temperature, selecting DMF or DMSO as a solvent, reacting for 4 to 8h under ultraviolet irradiation, filtering the reaction product, using CHCl3, MeOH, H2O, THF and Et2O to wash the reaction product, and performing vacuum drying on the reaction product to obtain the material. The blue light luminescent material is applied in the field ofthe preparation of various displays, optical communication and indoor decoration light sources. The functional POSS blue light luminescent material can realize the accurate control of the number of organic illuminophores, thereby realizing effectively adjusting luminescent color purity; and preparation technology is simple, has quick reaction speed, and is environment-friendly.

Description

technical field [0001] The invention belongs to the field of preparation of organic-inorganic hybrid blue light materials, in particular to organic-inorganic hybrid blue light materials based on silsesquioxane and its preparation and application. Background technique [0002] The emergence of organic light-emitting devices (Organic Light-Emitting Device, OLED) has brought a huge impact to the display technology. Compared with other display technologies, OLED has significant advantages such as wide viewing angle, low energy consumption, fast response speed, ultra-thin, ultra-light, and easy molding and processing. Extensive attention and in-depth research. [0003] In order to achieve full-color display in the development of OLED, blue light materials are very important. Not only because it is one of the three primary colors to achieve full-color display, but also because the blue light material has a relatively wide energy gap. With blue light, red light and green light ca...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/06
Inventor 徐洪耀诸亚堃林乃波光善仪
Owner DONGHUA UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap