Konica Minolta Business Technologies, Inc.

Konica Minolta, Inc.

Hideya Miwa

Akihiko Itami

Hidekazu Kawasaki

Kazukuni Nishimura

Kazuya Isobe

Mayuko Ushiro

Fumitaka Mochizuki

Tomoko Sakimura

Ryuichi Hiramoto

Masahiko Kurachi

Hitomi Motani

Takayuki Ishikawa

The present invention addresses at least the problem of providing a method for forming a high-resolution foil image regardless of the hydrophilicity of a recording medium. In order to solve said problem, the present invention provides a method wherein an adhesive ink that is formed by dispersing or dissolving a polymer resin in water and in a water-soluble organic solvent is used as an adhesive for a foil, the adhesive is applied by means of inkjet printing, and a foil image is formed. The polymer resin of the adhesive ink is a polymer of a monomer that includes (meth)acrylic acid and a (meth)acrylic acid alkyl ester having a Calkyl group, the acid value of the polymer resin being 50-120 mg KOH/g, and the glass transition temperature of the polymer resin being 30-110&#xb0; C.

Foil image formation method

An all solid-state dye sensitizing type photoelectric conversion element excellent in photoelectric conversion efficiency and stability of photoelectric conversion function due to the prevention of desorption of the dye, and a solar cell comprising the photoelectric conversion element are provided. The present invention relates to a photoelectric conversion element comprising a first electrode, a photoelectric conversion layer comprising a semiconductor and a sensitizing dye, and a solid hole transport layer, and a second electrode, on a substrate, wherein the sensitizing dye is represented by the general formula (1) and the solid hole transport layer comprises a polymer obtainable by polymerizing a compound represented by the following general formula (2) or a multimer of the compound. 

Photoelectric conversion element and solar cell

A dye-sensitized photoelectric conversion element, comprises a pair of electrodes arranged opposite to each other; a semiconductor layer including a semiconductor supporting a sensitizing dye; and an electrolyte layer. At least the semiconductor layer and the electrolyte layer are provided between the pair of electrodes, and the sensitizing dye contains a compound represented by the following Formula (1).

Provided is a photoelectric conversion element containing a pair of opposite electrodes having therebetween: a semiconductor layer containing a sensitizing dye which is supported by a semiconductor; and a charge transport layer, wherein the sensitizing dye is a compound represented by Formula (1), 

Provided is a photoelectric conversion element for which a novel compound (dye) exhibiting excellent adsorption to an oxide semiconductor and exhibiting high photoelectric conversion efficiency is used, and also provided is a solar cell employing the photoelectric conversion element. Disclosed is a dye-sensitizing type photoelectric conversion element possessing at least a pair of facing electrodes, a semiconductor layer possessing a semiconductor and a sensitizing dye supported on the semiconductor, and a charge transport layer, wherein the semiconductor layer and the charge transport layer are provided between the facing electrodes, and wherein the sensitizing dye comprises a compound represented by the following Formula (1). 

Disclosed is a photoelectric conversion element comprising a conductive support and provided thereon, a semiconductor layer, a charge transporting layer and an opposed electrode, the semiconductor layer comprising a semiconductor with a dye, wherein the dye is a compound represented by the following formula (1). 

Photoelectric conversion element and solor cell

Provided are a newly developed dye-sensitizing type photoelectric conversion element employing a highly durable sensitizing dye, exhibiting high photoelectric conversion efficiency, and a solar cell fitted with the photoelectric conversion element. Also disclosed is a photoelectric conversion element comprising a compound represented by Formula (1) between a pair of facing electrodes. 

A photoelectric conversion element having a pair of electrodes, and a semiconductor layer comprising a semiconductor carrying a dye and an electrolyte layer is disclosed. The dye is represented by Formulas 1 or 2; in Formula 1, Arand Arare each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Aris an aryl or heterocyclic group or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar, Arand Armay form a ring by bonding with each other, Xand Xare each a straight chain residue having an acidic group which may have a mono-valent substituent, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are bonded to Ar, Arand Ar; in the formula, Ar, Ar, Ar, Arand Arare each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar, Ar, Ar, Arand Armay form a ring by bonding with together, at least two of X, X, Xand Xare each an alkyl or alkenyl group having an acidic group which may have a mono-valent substituent and the remainders are each a hydrogen atom, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are bonded to Ar, Ar, Ar, Arand Ar.

A photoelectric conversion element is disclosed, comprising a compound represented by the following formula between a pair of opposed electrodes: wherein Ar, ARand Arare each a substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group, x is an organic residue having an acidic group and n is an integer of 2 to 8. A solar cell comprising the photoelectric conversion element is also disclosed.

Growing community of inventors

Tokyo, Japan

Hideya Miwa