Improved electron transfer composition for use in an electron injection layer for organic electronic devices

Patent metadata

Field	Value
Publication number	US-2016181533-A1
Application number	US-201414893134-A
Country	US
Kind code	A1
Filing date	May 9, 2014
Priority date	May 27, 2013
Publication date	Jun 23, 2016
Grant date	—

Abstract

The present invention relates to a novel electron transfer composition comprising one or more metal ion comprising compound, the use of such electron transfer composition in organic electronic devices, particularly in photodiodes, as well as such organic electronic devices, particularly photodiodes.

First claim

1 . Electron transfer composition comprising one or more metal ion comprising compound.

2 . Electron transfer composition according to claim 1 , wherein the metal ion is selected from cesium ions, barium ions or a blend of these.

3 . Electron transfer composition according to claim 1 , wherein the electron transfer composition comprises one or more compound selected from the group consisting of metal oxides, metal carbonates, metal hydroxides, and metal carboxylates.

4 . Electron transfer composition according to claim 1 , wherein the electron transfer composition comprises one or more compound selected from the group consisting of Cs 2 O, Cs 2 CO 3 , CsOH, BaO, BaCO 3 , Ba(OH) 2 , Cs-carboxylate, and Ba-carboxylate.

5 . Electron transfer composition according to claim 1 , wherein the electron transfer composition comprises one or more compound selected from the group consisting of Cs 2 CO 3 , CsOH, and Cs-carboxylate.

6 . Electron transfer composition according to claim 3 , wherein the metal carboxylate is an organic compound comprising at least one group —COOM, wherein M=Cs + or M=0.5 Ba 2+ .

7 . Electron transfer composition according to claim 3 , wherein the metal carboxylate is selected from the group consisting of

with p=1 and M=Cs + , or p=2 and M=Ba 2+ ,

wherein m is at least 1 and M=Cs + or 0.5 Ba 2+ , and

wherein n is at least 1 and R is a phenyl group substituted with at least group COOM or an alkyl group substituted with at least one group COOM.

8 . Electron transfer composition according to claim 3 , wherein the metal carboxylate is selected from the group consisting of

with p=1 and M=Cs, and

wherein m is at least 1 and M=Cs

9 . Electron transfer composition according to claim 1 , wherein the electron transfer composition comprises Cs 2 CO 3 .

10 . Electron transfer composition according to claim 1 further comprising one or more compounds or polymers having semiconducting, charge transport, hole/electron transport, hole/electron blocking, electrically conducting, photoconducting or light emitting properties.

11 . Electron transfer composition according to claim 1 , wherein the polymer comprises one or more monomers selected for example from the following non-exhaustive group consisting of olefins and fluorinated olefins, acrylic acid, vinyl, dienes (such as for example butadiene), styrene, methacrylic acid and derivatives of these.

12 . Formulation comprising the electron transfer composition of claim 1 , and one or more solvents.

13 . Formulation according to claim 12 , wherein the one or more solvents is selected from the group consisting of water, alcohols and blends of these.

14 . A method which comprises including the electron transfer composition of claim 1 as charge transport, semiconducting, electrically conducting, photoconducting or light emitting material in optical, electrooptical, electronic, electroluminescent or photoluminescent components or devices.

15 . Organic electronic component or device comprising an electron transfer layer, said electron transfer layer consisting of the electron transfer composition of claim 1 .

16 . Organic electronic component or device, which is selected from the group consisting of organic field effect transistors (OFET), thin film transistors (TFT), integrated circuits (IC), logic circuits, capacitors, radio frequency identification (RFID) tags, devices or components, organic light emitting diodes (OLED), organic light emitting transistors (OLET), flat panel displays, backlights of displays, organic photovoltaic devices (OPV), organic solar cells (O-SC), photodiodes, laser diodes, photoconductors, organic photodetectors (OPD), electrophotographic devices, electrophotographic recording devices, organic memory devices, sensor devices, charge injection layers, charge transport layers or interlayers in polymer light emitting diodes (PLEDs), Schottky diodes, planarising layers, antistatic films, polymer electrolyte membranes (PEM), conducting substrates, conducting patterns, electrode materials in batteries, alignment layers, biosensors, biochips, security markings, security devices, and components or devices for detecting and discriminating DNA sequences.

17 . Organic electronic component or device according to claim 16 , wherein the organic electronic component or device is selected from the group consisting of photodiode, organic light emitting diode (OLED), photoconductor and organic photovoltaic device.

18 . Organic electronic component or device according to claim 16 , wherein the organic electronic component or device is a photodiode.

Assignees

• Merck Patent Gmbh

Inventors

• Chen Lichun
• Meyer Frank Egon
• Malandraki Andromachi
• Wierzchowiec Piotr
• Backlund Tomas

Classifications

• C01D7/00

  Carbonates of sodium, potassium or alkali metals in general · CPC title

• C08F220/06

  Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof · CPC title

• C08F112/08

  Styrene · CPC title

• H10K85/111

  comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene · CPC title

• H01B1/122 Primary

  Ionic conductors · CPC title