The present invention relates to an organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer comprising a compound according to formula (I) between the first and the second electrode: ##STR00001##
wherein M is a metal ion, each of A.sup.1-A.sup.4 is independently selected from H, substituted or unsubstituted C6-C20 aryl and substituted or unsubstituted C2-C20 heteroaryl and n is valency of the metal ion.

The present invention relates to an organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer comprising a compound according to formula (I) between the first and the second electrode: ##STR00001##
wherein M is a metal ion, each of A.sup.1-A.sup.4 is independently selected from H, substituted or unsubstituted C6-C20 aryl and substituted or unsubstituted C2-C20 heteroaryl and n is valency of the metal ion.

The present disclosure belongs to the field of organic electroluminescent materials, and specifically relates to a nitrogen-containing compound, an electronic component using the nitrogen-containing compound and an electronic device using the nitrogen-containing compound. The nitrogen-containing compound has a structure as shown in Formula 1. When the nitrogen-containing compound of the present disclosure is used in an organic electroluminescent device, properties of the device can be effectively improved.

##STR00001##

The present disclosure belongs to the field of organic electroluminescent materials, and specifically relates to a nitrogen-containing compound, an electronic component using the nitrogen-containing compound and an electronic device using the nitrogen-containing compound. The nitrogen-containing compound has a structure as shown in Formula 1. When the nitrogen-containing compound of the present disclosure is used in an organic electroluminescent device, properties of the device can be effectively improved.

##STR00001##

Provided is an ink composition capable of improving external quantum efficiency of a photoelectric conversion element. A method for producing an ink composition containing a p-type semiconductor material, an n-type semiconductor material, and a solvent, the method comprising: a step of preparing one or more compositions in which one or both of the p-type semiconductor material and the n-type semiconductor material are dissolved in the solvent; and a step of storing the composition for 4 days or longer to prepare the ink composition. The p-type semiconductor material contains a polymer compound having a donor-acceptor structure.

Organic photovoltaic cells (OPVs) and their compositions are described herein. In one or more embodiments, the acceptor with an active layer of an OPV includes is a non-fullerene acceptor. Such non-fullerene acceptors may provide improved OPV performance characteristics such as improved power conversion efficiency, open circuit voltage, fill factor, short circuit current, and/or external quantum efficiency. One example of a non-fullerene acceptor is (4,4,10,10-tetrakis(4-hexylphenyl)-5,11-(2-ethylhexyloxy)-4,10-dihydro-dithienyl[1,2-b:4,5b′]benzodi-thiophene-2,8-diyl) bis(2-(3-oxo-2,3-dihydroinden-5,6-dichloro-1-ylidene) malononitrile.

A photoelectric converter includes: a first electrode; a second electrode; a first photoelectric conversion layer; a second photoelectric conversion layer; a first buffer layer; and a second buffer layer. The second electrode is disposed to be opposed to the first electrode. The first photoelectric conversion layer is provided between the first electrode and the second electrode. The first photoelectric conversion layer includes a first dye material and a first carrier transport material. The second photoelectric conversion layer is stacked on the second electrode side of the first photoelectric conversion layer between the first electrode and the second electrode. The second photoelectric conversion layer includes a second dye material and a second carrier transport material. The second dye material has a light absorption waveform different from a light absorption waveform of the first dye material. The first buffer layer has a first electrical conduction type. The first buffer layer is provided between the first electrode and the first photoelectric conversion layer. The second buffer layer has a second electrical conduction type different from the first electrical conduction type. The second buffer layer is provided between the second electrode and the second photoelectric conversion layer.

A compound having the following formula:

##STR00001##

which can also be embedded into a conjugated oligomeric of polymeric backbone, is proposed for optical and electro optical applications.

A method for producing an organic conductive film includes a step of preparing a coating liquid containing an acid-based organic conductive polymer, an alkali neutralizing agent, and a liquid medium, and having a pH of 4.0 to 6.5 at 25° C., a step of applying the coating liquid to a base layer, and a step of removing the liquid medium from the applied coating liquid.

A copolymer, poly(thiophene-co-benzothiophene-co-dibenzothiophene), and method of preparation thereof. The copolymer, poly(thiophene-co-benzothiophene-co-dibenzothiophene), having a formula (I):

##STR00001##

wherein x=H or R, y=H or R, z=H or R, and n=500-58000, wherein R is selected from alkyl or alicyclic chain substituents, and Ar is an aromatic ring.