Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Based on 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer

一种共轭聚合物、无规共聚的技术，应用在及分子技术领域领域，能够解决低载流子电极收集效率、光谱响应不匹配、低载流子迁移率等问题，达到提高开路电压以及光电转化效率、吸光性好、定性好的效果

Active Publication Date: 2021-08-31
SUZHOU UNIV
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main constraints that limit the improvement of performance are: the spectral response of organic semiconductor materials does not match the spectrum of solar radiation, the relatively low carrier mobility of organic semiconductors, and the low electrode collection efficiency of carriers, etc.

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
  • Based on 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer
  • Based on 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer
  • Based on 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0048] The above-mentioned preparation method based on 2,5-di(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer comprises steps: The compound of the compound undergoes ternary random copolymerization reaction under the action of a catalyst, the reaction temperature is 80-200° C., and the reaction time is 6-48 hours to obtain the polymer shown in formula I;

[0049]

[0050] in,

[0051] R 1 independently selected from any one of alkyl groups having 1-30 carbon atoms;

[0052] R 2 , R 3 and R 4 independently selected from hydrogen, alkyl having 1-30 carbon atoms, alkoxy having 1-30 carbon atoms, ester group, aryl, aralkyl, haloalkyl, heteroalkyl, alkenyl, mono Any one of aryl groups substituted by substituents of bonds, double bonds, triple bonds or combinations thereof;

[0053] x 1 Any one selected from boronic acid groups, borate ester groups, zinc halide groups or trialkyltin groups;

[0054] Y 1 and Y 2 Any one selected from I, Br or Cl;

...

Embodiment 1

[0063] 1. Synthesis of ternary random conjugated polymer PM6-TTz20.

[0064] The chemical reaction route diagram of the present embodiment is as follows, and concrete reaction steps and reaction conditions are as follows:

[0065]

[0066] In a 50mL two-necked round-bottomed flask, add 0.3mmol of bis-tin monomer M1, 0.24mmol of bis-bromine monomer M2 and 0.06mmol of bis-bromine monomer M3 and 10mL of anhydrous toluene, and pass 20mL to the reaction flask. After 1 minute of argon, 15 mg of Pd(PPh 3 ) 4 This was added to the flask as a catalyst, and the reaction mixture was purged with argon for an additional 30 minutes. The reaction mixture was stirred and heated to reflux under argon for 7 hours. After the polymerization, the reaction mixture was cooled to room temperature, then the polymer was settled in 100mL HPLC methanol, the solid was collected by filtration, and finally Soxhlet extraction was carried out with methanol, n-hexane and chloroform of HPLC respectively, ...

Embodiment 2

[0080] 1. Synthesis of ternary random conjugated polymer PM6-TTz50.

[0081] The chemical reaction route diagram of the present embodiment is as follows, and concrete reaction steps and reaction conditions are as follows:

[0082]

[0083] In a 50mL two-necked round bottom flask, add 0.3mmol of bis-tin monomer M1, 0.15mmol of bis-bromine monomer M2 and 0.15mmol of bis-bromine monomer M3 and 10mL of anhydrous toluene, and pass 20mL to the reaction flask. After 1 minute of argon, 15 mg of Pd(PPh 3 ) 4 This was added to the flask as a catalyst, and the reaction mixture was purged with argon for an additional 30 minutes. The reaction mixture was stirred and heated to reflux under argon for 7 hours. After the polymerization, the reaction mixture was cooled to room temperature, then the polymer was settled in 100mL HPLC methanol, the solid was collected by filtration, and finally Soxhlet extraction was carried out with methanol, n-hexane and chloroform of HPLC respectively, an...

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

PropertyMeasurementUnit
number average molecular weightaaaaaaaaaa
thermal degradation temperatureaaaaaaaaaa
optical band gapaaaaaaaaaa
Login to View More

Abstract

The present invention discloses a ternary random conjugated polymer based on 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl, which has the following general structure: by introducing 2,5-di (2-thienyl)thiazolo[5,4-d]thiazole unit to increase the band gap of the polymer and broaden the absorption spectrum; introduce 2,5-bis(2-thienyl)thiazolo[5,4-d] The thiazole unit has photophysical properties that are easy to modify, and its terpolymer shows excellent photovoltaic performance; the introduction of 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazole unit is applied to In organic solar cells, the light conversion efficiency of organic solar cells can be improved.

Description

technical field [0001] The present invention relates to the field of molecular technology, in particular to 2,5-bis(2-thienyl)thiazolo[5,4-d]thiazolyl ternary random conjugated polymer and its preparation method, and the ternary random conjugated polymer. The application of stereoconjugated polymers as active layer materials in organic semiconductor devices such as organic solar cells and organic field effect transistors, organic electroluminescent devices, organic thermochromic elements, and organic field effect transistors. Background technique [0002] The preparation of low-cost and high-efficiency solar cells using cheap materials has always been a research hotspot and difficulty in the field of photovoltaics. Due to the complex production process and high cost of silicon cells currently used on the ground, their application is limited. In order to reduce the cost of batteries and expand the application range, people have been looking for new solar cell materials for a...

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 Patents(China)
IPC IPC(8): C08G61/12H01L51/30H01L51/46H01L51/54
CPCC08G61/126C08G61/124C08G2261/122C08G2261/145C08G2261/228C08G2261/3223C08G2261/3243C08G2261/3246C08G2261/354C08G2261/592C08G2261/91H10K85/113H10K85/151Y02E10/549C08G2261/12C08G2261/124C08G2261/126C08G2261/1412C08G2261/148C08G2261/344C08G2261/95C08G2261/146C08G2261/414C08G2261/40
Inventor 张茂杰吴敬男国霞
Owner SUZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com