A dye-sensitized solar cell that includes a semiconductor layer, to which a photosensitive dye generating electrons is adhered; a photo electrode disposed on a side of the semiconductor layer so as to transfer electrons; and an auxiliary electrode disposed on the other side of the semiconductor layer so as to transfer the electrons, and at least one semiconductor layer and at least one auxiliary electrode are stacked alternatively. Thus, an amount of molecules of the photosensitive dye may be increased without increasing the moving distance of electrons, and the efficiency of the solar cell may be increased.

Dye-sensitized solar cell

A photoelectric conversion device using a semiconductor fine material such as a semiconductor fine particle sensitized with a dye carried thereon, characterized in that the dye is a methine type dye having a specific partial structure, for example, a methine type dye having a specific carboxyl-substituted hetero ring on one side of a methine group and an aromatic residue substituted with a dialkylamino group or an organic metal complex residue on the other side of the methine group, or a methine type dye having a carboxyl-substituted aromatic ring on one side of a methine group and a heteroaromatic ring having a dialkylamino group or an organic metal complex residue on the otherside of the methine group; and a solar cell using the photoelectric conversion element. The photoelectric conversion element exhibits a conversion efficiency comparable or superior to that of a conventionally known photoelectric conversion element sensitized with a methine type dye.

Dye-sensitized photoelectric conversion device

A photoelectric conversion element which is obtained by having a thin film of fine oxide semiconductor particles support a methine-based dye that is represented by formula (1), said thin film being provided on a substrate. (In formula (1), m represents an integer of 1-5; each of l and n represents an integer of 0-6; each of j and k represents an integer of 0-3; each of X and Y represents a hydrogen atom, an aromatic residue, an aliphatic hydrocarbon residue or the like; each of Z1, Z2 and Z3 represents an oxygen atom, a sulfur atom or the like; each of A1, A2, A3, A5 and A6 represents a hydrogen atom, an aromatic residue, an aliphatic hydrocarbon residue or the like; A4 represents a hydrogen atom, an aliphatic hydrocarbon residue or the like; each of A7, A8, A9 and A10 represents a hydrogen atom, an aliphatic hydrocarbon residue or the like; R1 represents a group having a specific structure, an organic metal complex residue or the like; and R2 represents a hydrogen atom, an aliphatic hydrocarbon residue, an organic metal complex residue or the like.)

Dye-sensitized photoelectric conversion element

PROBLEM TO BE SOLVED: To provide a semiconductor for a photoelectric conversion material which has high photoelectric conversion efficiency and superior stability, and to provide a photoelectric element and a solar cell SOLUTION: The semiconductor for a photoelectric conversion material contains a dye expressed by a general formula (1) In the general formula (1), R 1 to R 9 and R represent hydrogen atoms or substituent groups R 1 and R 2 , R 2 and R 3 , R 3 and R 4 , and R 9 and R may be bonded to one another to form a cyclic structure, and n is an integer from 0 to 4 R 6 -R 8 may be different from one another If n≥1, R 6 to R 8 may be bonded to one another to form a cyclic structure Y represents -O-, -S(O) m - or -NR 21 -, and m represents an integer from 0 to 2 Z represents -NR 21 - or -CR 22 R 23 -, and R 21 to R 23 represent hydrogen atoms or substituent groups A molecule includes at least one -COOM- group, and M represents a hydrogen atom or a salt formation nature cation COPYRIGHT: (C)2005,JPO&NCIPI

Semiconductor for photoelectric conversion material, photoelectric conversion element and solar cell

A dye sensitization photoelectric converter in which light absorptance and photoelectric conversion efficiency are enhanced. A dye sensitization photoelectric converter (10) comprises a transparent substrate (1) made of glass or the like, a transparent electrode (negative pole) (2) composed of a transparent conductive layer of FTO (fluorine doped tin oxide (IV)SnO2), a semiconductor layer (3) holding a plurality of kinds of photosensitizing dyes, an electrolyte layer (5), a counter electrode (positive pole) (6), a counter substrate (7), and a sealant (not shown). The photosensitizing dyes are composed of a plurality of kinds of dyes having sufficiently different minimum excitation energies, or a plurality of kinds of dyes held on the semiconductor layer (3) with different conformations. The semiconductor layer (3) employs a porous layer obtained by sintering fine particles of titanium oxide TiO2, the electrolyte layer (5) employs an organic electrolyte solution containing an oxidation-reduction species (redox pair) such as I-/I3-, and the counter electrode (6) composed of a platinum layer (6b) or the like, is formed on the counter substrate (7).

Dye Sensitization Photoelectric Converter

PROBLEM TO BE SOLVED: To provide a photoelectric transfer element, and a solar cell, of low costs and excellent transfer efficiency using semiconductor fine particles sensitized by dyes having a specific pyrazolone derivative site. SOLUTION: The photoelectric transfer element and the solar cell using same utilize oxide semiconductor particles sensitized by methine system dye of a formula 1. A1 to A3 are cyclic hydrocarbon residue, a heterocyclic residue, an amino-group, H, halogen atom or an alkyl group, and Y is an imino group, an alkylimino group, C, S or Se. X is an aromatic hydrocarbon residue or an organic complex residue having a substituent except a structure expressed by salicylic acid and poly-substitution hydroxybenzene. R1 has a carbonyl group selected from a cyano group, an alkyl group, an aromatic hydrocarbon residue a heterocyclic residue, H or a carboxyl group, a carbonamido group, an alkoxycarbonyl group, and an acyl group. R2 is H, an alkyl group, an aromatic hydrocarbon residue or a heterocyclic residue, and n is an integer of 0 to 4.

Dye sensitizing photoelectric transfer element

PROBLEM TO BE SOLVED: To provide a photoelectric cell which is superior in safety and stabil ity. SOLUTION: A water-containing electrolysis body contains a water-soluble high polymer in an electrolyte solution of oxidation reduction system, containing water and the oxidation reduction system electrolyte. The oxidation reduction system electrolyte is a halogen compound, which turns halogen ion a pair ions that is a non-organic salt or the organic salt, and the halogen molecule is iodine. The water-soluble high polymer can further be added with boracic acid by polyvinyl alcohol as a bridge agent can. By addition of the bridge agent, the water-soluble high polymers mutually form a secondary bridge, and they turn into pseudo solidified state then, it becomes form desirable as a photoelectric cell. COPYRIGHT: (C)2002,JPO

Water-containing electrolysis body

PROBLEM TO BE SOLVED: To provide an inexpensive and efficient photoelectric transducer element, and to provide a solar battery SOLUTION: Oxide semiconductor sensitized by methane-based dye having a specific structure is used The specific structure is shown by the following expression (1), and has salicyclic acid part In this case, the salicyclic acid part may form metallic salt such as lithium, natrium, kalium, magnesium, calcium, or quaternary ammonium salt such as tetramethylammonium, tetrabutylammonium, pyridinium, and imidazolium

Dye sensitization photoelectric transducer element

PROBLEM TO BE SOLVED: To provide a photoelectric transducing element and a solar battery inexpensive and having a superior transducing efficiency using semiconductor particles sensitized by a specific methine series pigment. SOLUTION: The solar battery using the photoelectric transducing element of organic dye sensitized semiconductor particle thin film is obtained on which methine series dye expressed in a formula (1) is carried.

Dye sensitized photoelectric transducing element

PROBLEM TO BE SOLVED: To provide electrolyte solution for electrochemical battery having excellent safety and stability. SOLUTION: The electrolyte containing water is used for a photoelectric transducer element. COPYRIGHT: (C)2002,JPO

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Papers

Dye sensitizing photoelectric transfer element

Water-containing electrolysis body

Dye sensitization photoelectric transducer element

Dye sensitized photoelectric transducing element

Photoelectric transducer element using hydrous electrolyte

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Papers

Dye sensitizing photoelectric transfer element

Water-containing electrolysis body

Dye sensitization photoelectric transducer element

Dye sensitized photoelectric transducing element

Photoelectric transducer element using hydrous electrolyte

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