Konica Minolta Business Technologies, Inc.

Konica Minolta, Inc.

Kazukuni Nishimura

Akihiko Itami

Hidekazu Kawasaki

Hideya Miwa

Kazuya Isobe

Mayuko Ushiro

Fumitaka Mochizuki

Seijiro Takahashi

Tomoko Sakimura

Yukio Hosoya

Kazutoshi Kobayashi

Masahiko Kurachi

Kenichi Onaka

Taiki Amemiya

An electrophotographic image forming system forms an electrostatic latent image on at least a photoreceptor, develops an image using an electrostatic charge image developing toner, and removes the toner using a cleaning blade. A tip ridge of the cleaning blade is pressed against a surface of the photoreceptor. The system includes a photosensitive layer of the photoreceptor and a surface protecting layer that is provided on a surface of the photosensitive layer. The surface protecting layer includes a polymerizable monomer having at least two polymerizable groups in a molecule and a polymer of a hole transporting compound having a polymerizable group represented by General formula (1). The tip ridge of the cleaning blade has an edge angle that is obtuse and less than 120° and is pressed against the surface of the photoreceptor at an effective contact angle that is in a range of 8 to 20°.

Electrophotographic image forming system with cleaning blade

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 photoelectric conversion element comprising a substrate, a first electrode, a photoelectric conversion layer comprising a semiconductor and a sensitizing dye, a hole transport layer and a second electrode, wherein the hole transport layer comprises a polymer having a repeat unit represented by Formula (1) or (2), 

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 comprising a pair of electrodes containing therebetween a compound represented by Formula (1) or Formula (2): 

A photoelectric conversion element comprising an electrically conductive support having thereon an oxide semiconductor electrode comprising an oxide semiconductor which is adsorbed with a dye, and a counter electrode facing the oxide semiconductor electrode through a charge transfer layer, wherein the dye is represented by Formula (1): 

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Tokyo, Japan

Kazukuni Nishimura