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Synthesis of Four Coordinated Palladium Complexes and Their Applications in Light Emitting Devices Thereof

a technology of palladium complexes and complexes, applied in the field of palladium complexes, can solve the problems of poor processing ability, many materials currently used in optical and electro-optical devices, and many current devices containing organic or organometallic materials have yet to be optimized

Inactive Publication Date: 2013-08-08
LI JIAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention relates to palladium complexes that can absorb and emit light. These complexes can be used in optical devices such as organic light-emitting devices and luminescent display devices. The complexes have specific structures and rings that determine their properties. The invention allows for the creation of improved optical devices and greater efficiency in the absorption and emission of light.

Problems solved by technology

Despite significant advances in research devoted to optical and electro-optical materials, many current devices comprising organic or organometallic materials have yet to be optimized.
Many materials currently used in optical and electro-optical devices have a number disadvantages, including poor processing ability, inefficient emission or absorption, and less than ideal stability, among others.

Method used

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  • Synthesis of Four Coordinated Palladium Complexes and Their Applications in Light Emitting Devices Thereof
  • Synthesis of Four Coordinated Palladium Complexes and Their Applications in Light Emitting Devices Thereof
  • Synthesis of Four Coordinated Palladium Complexes and Their Applications in Light Emitting Devices Thereof

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example 1

Preparation of specific embodiment 2-(3-(pyridin-2-yl)phenoxy)-6-(pyridin-2-yloxy)phenyl]Pd(II)

Synthesis of 3-(pyridin-2-yloxy)phenol

[0087]

[0088]Under a nitrogen atmosphere, a pressure vessel was charged with a magnetic stir bar, resorcinol (110 mmol), 2-bromopyridine (100 mmol), 1-methylimidazole (5 mmol), and potassium carbonate (200 mmol). Pyridine (80 mL) was added and bubbled with nitrogen for 20 minutes before copper(I) iodide (10 mmol) was added and bubbled 10 minutes further. The vessel was sealed and heated to 140° C. while stirring. After 2 days, the solution was allowed to cool. The solids were filtered off and rinsed with a 50:50 mixture of toluene and methanol. The filtrate was reduced by rotary evaporation and 150 ml of water containing 10 mL glacial acetic acid was added and shaken vigorously. The water was decanted off and 50 mL of DCM was added, forming an off white precipitate which was collected by vacuum filtration and dried with ether, resulting in the pure prod...

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Abstract

Synthesis of four coordinated palladium complexes and their applications in light emitting devices thereof.

Description

BACKGROUND[0001]1. Technical Field[0002]The present disclosure relates to palladium complexes which are capable of absorbing and / or emitting light and are thus useful as an emissive or absorption material in a device.[0003]2. Technical Background[0004]Compounds capable of absorbing and / or emitting light are ideally suited for use in a wide variety of optical and electro-optical devices, including photo-absorbing devices such as solar and photo-sensitive devices, photo-emitting devices, such as organic light emitting diodes (OLEDs), or devices capable of both photo-absorption and emission. Much research has been devoted to the discovery and optimization of organic and organometallic materials for use in optical and electro-optical devices. Generally, research in this area aims to accomplish a number of goals, including improvements in absorption and emission efficiency, as well as improvements in processing ability, among others.[0005]Despite significant advances in research devoted ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C07F7/24H10K99/00
CPCC07D213/643C07F15/006C09K11/06C09K2211/1029C09K2211/1044C07F7/24H01L51/0084H01L51/424H01L51/5016H05B33/14Y02E10/549C09K2211/185H10K85/341H10K30/20H10K50/11H10K2101/10H10K30/50C07F15/00C07D213/63C09K2211/1007C09K2211/1014
Inventor LI, JIANTURNER, ERIC
Owner LI JIAN
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