Konica Minolta Business Technologies, Inc.

Konica Minolta, Inc.

Hidekazu Kawasaki

Kazuya Isobe

Kazukuni Nishimura

Hideya Miwa

Akihiko Itami

Mayuko Ushiro

Seijiro Takahashi

Kazuyoshi Goan

Fumitaka Mochizuki

Masahiko Kurachi

Kenichi Onaka

Takayuki Ishikawa

Yoichi Fujieda

The present invention provides means for improving the softening rate in photoirradiation and image fixation property. The toner according to the present invention includes an azobenzene derivative represented by the following chemical formula (1), and in the chemical formula (1), Rto Rin the following are groups defined in claim. 

Toner and image formation method

The present invention provides a semiconductor nanoparticle assembly having improved luminous efficiency, heat resistance, and oxidation resistance, and a method for manufacturing the same. The present invention relates to a semiconductor nanoparticle assembly which includes an aggregate having a plurality of coated semiconductor nanoparticles aggregated, said coated semiconductor nanoparticles each containing a semiconductor nanoparticle having a core/shell structure and a translucent coating layer having a thickness of 3 nm or more and 15 nm or less for coating the semiconductor nanoparticle.

Semiconductor nanoparticle assembly and method for manufacturing the same

A photoelectric conversion element comprising: a substrate; a first electrode; a photoelectric conversion layer comprising a semiconductor layer containing a dye and a semiconductor and a charge transport layer; and a second electrode, in this order, wherein the photoelectric conversion layer comprises a compound represented by Formula (1), wherein Rand Reach represent a hydrogen atom or an alkyl group which may have a substituent, X, Y and Z each represent a hydrogen atom or a substituent, wherein at least one of X, Y and Z is an electron withdrawing group. 

Photoelectric conversion element and dye-sensitized solar cell

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

Provided is a photoelectric conversion element containing at least: a semiconductor layer containing a semiconductor and a dye which is supported by the semiconductor, and a hole transport layer containing a hole transport compound, wherein the dye is a compound represented by Formula (1), and the hole transport compound is a polymer made from 3,4-ethylenedioxythiophene: 

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.

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Tokyo, Japan

Hidekazu Kawasaki