COMPOSITION FOR ORGANIC THIN FILM, ORGANIC THIN FILM, AND ELECTRONIC DEVICE INCLUDING THE ORGANIC THIN FILM

• US 20150000744A1
• Filed: 02/27/2014
• Published: 01/01/2015
• Est. Priority Date: 06/27/2013
• Status: Active Grant

• Current Assignee: Cheil Industries Incorporated, Samsung Electronics Co. Ltd.
• Original Assignee: Cheil Industries Incorporated, Samsung Electronics Co. Ltd.
• Inventors: PARK, In Sun, MOON, Hyung Rang, HUH, Dal-Ho, PARK, Jong Hwan, YUN, Sung Young, CHOI, Yeong Suk, CHEON, Jin Min
• Granted Patent: US 9,276,214 B2
• Time in Patent Office: Days
• US Class Current: 136/263
• CPC Class Codes: H10K 30/30 comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
• CPC Class Codes: H10K 30/50 Photovoltaic [PV] devices
• CPC Class Codes: H10K 30/82 Transparent electrodes, e.g. indium tin oxide [ITO] electrodes
• CPC Class Codes: H10K 85/1135 Polyethylene dioxythiophene [PEDOT]; Derivatives thereof
• CPC Class Codes: H10K 85/141 comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
• CPC Class Codes: H10K 85/215 comprising substituents, e.g. PCBM
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

A composition for an organic thin film may include a first compound having a linear alkylene oxide moiety and a haloalkyl moiety, and a second compound having conductivity and being capable of controlling a work function.

Claims

1. A composition for an organic thin film comprising:

a first compound having a linear alkylene oxide moiety and a haloalkyl moiety, and

a second compound having conductivity and being capable of controlling a work function.

2. The composition for an organic thin film of claim 1, wherein the first compound is represented by the following Chemical Formula 1:

3. The composition for an organic thin film of claim 2, wherein the first compound is represented by the following Chemical Formula 1a:

4. The composition for an organic thin film of claim 1, wherein the second compound comprises a conductive polymer, a metal salt, a metal salt hydrate, or a combination thereof.

5. The composition for an organic thin film of claim 4, wherein the second compound is a conductive polymer, and

the conductive polymer comprises

moieties represented by the following Chemical Formulae 2 to 4, and

at least one of a moiety represented by the following Chemical Formula 5 and a moiety represented by the following Chemical Formula 6:

6. The composition for an organic thin film of claim 4, wherein the second compound is a metal salt or a hydrate thereof, and

the metal salt is a niobium salt, a molybdenum salt, a tungsten salt, a nickel salt, a titanium salt, or a combination thereof.

7. The composition for an organic thin film of claim 1, wherein the first compound is included in an amount of about 0.001 volume % to 5 volume % based on the total amount of the composition.

8. The composition for an organic thin film of claim 7, wherein the first compound is included in an amount between greater than or equal to about 0.01 volume % and less than about 2 volume % based on the total amount of the composition.

9. The composition for an organic thin film of claim 1, which further comprises a solvent, and

the solvent may be at least one selected from deionized water, methanol, ethanol, propanol, isopropanol, 2-methoxyethanol, 2-ethoxyethanol, 2-propoxyethanol 2-butoxyethanol, methylcellosolve, ethylcellosolve, diethyleneglycolmethylether, diethyleneglycolethylether, dipropyleneglycolmethylether, toluene, xylene, hexane, heptane, octane, ethylacetate, butylacetate, diethyleneglycoldimethylether, diethyleneglycoldimethylethylether, methylmethoxypropionic acid, ethylethoxypropionic acid, ethyllactic acid, propyleneglycolmethyletheracetate, propyleneglycolmethylether, propyleneglycolpropylether, methylcellosolveacetate, ethylcellosolveacetate, diethyleneglycolmethylacetate, diethyleneglycolethylacetate, acetone, methylisobutylketone, cyclohexanone, dimethylformamide (DMF), dimethylsulfoxide, N,N-dimethylacetamide (DMAc), N-methyl-2-pyrrolidone, γ

-butyrolactone, diethylether, ethyleneglycoldimethylether, diglyme, tetrahydrofuran, acetylacetone, chlorobenzene, acetonitrile, or a combination thereof.

10. An organic thin film manufactured from the composition for an organic thin film according to claim 1.

11. An electronic device comprising:

a first electrode;

a second electrode facing the first electrode;

an active layer between the first electrode and the second electrode; and

an auxiliary layer between at least one of the first electrode and the active layer and the second electrode and the active layer,

wherein the auxiliary layer includes a first compound including a linear alkylene oxide moiety and a haloalkyl moiety, and

a second compound having conductivity and being capable of controlling a work function.

12. The electronic device of claim 11, wherein the first compound is represented by the following Chemical Formula 1:

13. The electronic device of claim 12, wherein the first compound is represented by the following Chemical Formula 1a:

14. The electronic device of claim 11, wherein the second compound is a conductive polymer, and

the conductive polymer comprises

moieties represented by the following Chemical Formulae 2 to 4, and

at least one of a moiety represented by the following Chemical Formula 5 and a moiety represented by the following Chemical Formula 6:

15. The electronic device of claim 11, wherein the second compound is a metal oxide, and

the metal oxide comprises niobium oxide, molybdenum oxide, tungsten oxide, nickel oxide, titanium oxide, or a combination thereof.

16. The electronic device of claim 11, wherein the auxiliary layer has a contact angle of about 50 to about 85 degrees.

17. The electronic device of claim 11, wherein the auxiliary layer has a work function of about 5.2 to 5.6 eV.

18. The electronic device of claim 11, wherein the electronic device is one of a solar cell and an organic light emitting diode.