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9, 10-disubstituted phenanthrene based conjugated polymer, preparation method and application thereof in organic optoelectronic devices

A technology of conjugated polymers and optoelectronic devices, applied in the application of organic optoelectronic devices, based on 9 fields, can solve problems such as mobility decline

Inactive Publication Date: 2015-05-20
BEIJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The excess electrons or holes generate space charges, and the electric field formed is opposite to the direction of the internal electric field, resulting in a decrease in mobility.

Method used

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  • 9, 10-disubstituted phenanthrene based conjugated polymer, preparation method and application thereof in organic optoelectronic devices
  • 9, 10-disubstituted phenanthrene based conjugated polymer, preparation method and application thereof in organic optoelectronic devices

Examples

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Embodiment 1

[0008] Example 1: Preparation of 9,10-disubstituted phenanthrene conjugated polymers with structure II

[0009] 100mg monomer 2,7-bis(pinacol ester-2-yl)-9,10-bis(octyloxane)-phenanthrene, 104mg 4,7-bis(5-bromothiophen-2-yl)-5, 6-bis(octyloxane)-benzothiadiazole, 15mL tetrahydrofuran, 5mL toluene, 3mL water, 0.5gNaHCO 3 In a 100ML slit-gate flask, add 1.37mg of Pd (PPh 3 ) 4 Before and after, the nitrogen gas was repeatedly filled and degassed, and then the system was stirred and refluxed under a nitrogen atmosphere for 3 days. Add 15 mg of phenylboronic acid to repeatedly charge and denitrogenate and continue to reflux for 6 hours, add 10 mg of bromobenzene to repeatedly charge and denitrogenate and continue to reflux for 6 hours, then cool the system, add water and chlorobenzene; separate the organic layer with a separatory funnel, and use Acetone precipitated, and then the precipitate was dissolved in 100 degrees of chlorobenzene, hot filtered, continued to precipitate i...

Embodiment 2

[0010] Example 2: Preparation of 9,10-disubstituted phenanthrene conjugated polymers with three structures

[0011] 100mg monomer 2,7-bis(pinacol ester-2-yl)-9,10-bis(4-octyloxy-phenyl)-phenanthrene, 85mg 4,7-bis(5-bromothiophene-2- base)-5,6-bis(octyloxane)-benzothiadiazole, 15mL tetrahydrofuran, 5mL toluene, 3mL water, 0.5g NaHCO 3 In a 100ML slit-gate flask, add 1.37mg of Pd (PPh 3 ) 4 Before and after, the nitrogen gas was repeatedly filled and degassed, and then the system was stirred and refluxed under a nitrogen atmosphere for 3 days. Add 15 mg of phenylboronic acid to repeatedly charge and denitrogenate and continue to reflux for 6 hours, add 10 mg of bromobenzene to repeatedly charge and denitrogenate and continue to reflux for 6 hours, then cool the system, add water and chlorobenzene; separate the organic layer with a separatory funnel, and use Acetone precipitated, and then the precipitate was dissolved in chlorobenzene at 100 degrees, hot filtered, continued to...

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Abstract

The invention discloses a 9, 10-disubstituted phenanthrene based conjugated polymer, a preparation method and application thereof in organic optoelectronic devices. The invention relates to a 9, 10-disubstituted phenanthrene based conjugated polymer, a preparation method and application thereof as an active layer material in organic optoelectronic devices like polymer solar cells and organic field effect transistors. The general formula is shown as formula I. The 9, 10-disubstituted phenanthrene based conjugated polymer provided by the invention has very good planarity and excellent sunlight capture capability and hole transport capability. With good processability, thermal stability, charge transport, and light absorption, the conjugated polymer solution is an ideal organic semiconductor material for organic electronic devices like solar cells, field-effect transistors and light-emitting diodes. The general formula is shown as the specification. (formula I).

Description

technical field [0001] The invention belongs to the fields of polymer solar cell material research and organic field effect transistor material research, and particularly relates to a class of 9,10-disubstituted phenanthrene conjugated polymers, a preparation method thereof and applications in organic optoelectronic devices. As a green and renewable energy utilization method, organic solar cells have the advantages of low price, light weight, and easy large-area flexible preparation, so they are favored by researchers. Bulk heterojunction solar cells based on organic conjugated materials have made great progress. A series of new materials have been synthesized and utilized, and the energy conversion efficiency has reached 12.0%, showing the broad application prospects of organic solar cells. Background technique [0002] Since Tang's work in 1986, in the past two decades, polymer organic solar cells have made great progress, a large number of conjugated polymer structures ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/12H01L51/46H01L51/30
CPCY02E10/549
Inventor 李翠红李光武薄志山
Owner BEIJING NORMAL UNIVERSITY
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