PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTROCHEMICAL CELL, AND DYE FOR USE THEREIN

WIPO Patent Application WO/2012/176575

A1

[Problem] To provide a photoelectric conversion element and a photoelectrochemical cell that exhibit high IPCE in a long-wavelength region, achieve good photoelectric conversion efficiency, and moreover excel in durability, as well as a dye for use therein. [Solution] A photoelectric conversion element comprising, on a conductive substrate, a layer structure; the layer structure including a photoreceptor which has a layer of a fine particulate semiconductor which has adsorbed dye, a charge-transfer body, and a counter electrode; the photoelectric conversion element characterized in that at least one of the dyes has a structure represented by formula (1). (In the formula, Q represents an aromatic ring. X1 and X2 represent sulfur atoms, selenium atoms, oxygen atoms, or CR1R2. R1 and R2 represent alkyl groups. R and R' are alkyl groups or aromatic groups. P1 represents a specific group of atoms. P2 represents a group of atoms necessary to form a polymethine dye. P1 and P2 are different. W1 represents a counter ion, where necessary to neutralize charge.)

SUSUKI TATSUYA (JP)
SATOU HIROTAKA (JP)
TANI YUKIO (JP)
KOBAYASHI KATSUMI (JP)

PCT/JP2012/063308

December 27, 2012

May 24, 2012

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FUJIFILM CORP (JP)
SUSUKI TATSUYA (JP)
SATOU HIROTAKA (JP)
TANI YUKIO (JP)
KOBAYASHI KATSUMI (JP)

H01M14/00; C07D487/04; C09B23/00; C09B57/10; H01L31/04

WO2011152284A1

2011-12-08

JP2000195570A	2000-07-14
JP2000103978A	2000-04-11
JPS62290184A	1987-12-17
FR96399E	1972-06-16

IIDA, Toshizo et al. (JP)
Toshizo Iida (JP)

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