JP2003234488A5 - - Google Patents

Claims (20)

Forming a first electrode;
Forming a second electrode disposed opposite to the first electrode and having a catalyst layer on the surface;
Forming an electron transport layer located between the first electrode and the second electrode, at least a portion of which is porous;
Forming a dye layer in contact with the electron transport layer;
A method for producing a photoelectric conversion element comprising a step of forming a hole transport layer formed in contact with the catalyst layer formed on the surface of the electron transport layer and the second electrode,
The step of forming the hole transport layer includes a hole transport material, a crystal size coarsening inhibitor having a function of suppressing an increase in crystal size when the hole transport material is crystallized, and a binder. A method for producing a photoelectric conversion element, characterized in that the solution added to is coated on the dye layer by a coating method.   The said crystal size coarsening inhibitory substance suppresses that a crystal size increases when the said hole transport material crystallizes by making it couple | bond with the metal atom of the said hole transport material. A method for producing a photoelectric conversion element. 2. The method for producing a photoelectric conversion element according to claim 1, wherein a content of the crystal size coarsening suppressing substance in the hole transport layer material is 1 × 10 ⁻⁶ to 10 wt%.   The method for producing a photoelectric conversion element according to any one of claims 1 to 3, wherein the crystal size coarsening suppression substance is a sulfide.   The method for producing a photoelectric conversion element according to claim 1, wherein the crystal size coarsening suppressing substance is thiocyanate ion.   The method for producing a photoelectric conversion device according to claim 1, wherein the crystal size coarsening inhibitor is a thiol group.   The method for manufacturing a photoelectric conversion element according to claim 1, wherein the hole transport layer is mainly composed of a substance having ion conduction characteristics.   The method for manufacturing a photoelectric conversion element according to claim 7, wherein the substance having ion conduction characteristics is a metal halide compound.   The method for producing a photoelectric conversion element according to claim 8, wherein the metal halide compound is a metal iodide compound.   The process for forming the hole transport layer is formed by applying the hole transport layer material on the dye layer while heating the dye layer. Method.   The heating step of the dye layer when forming the hole transport layer by applying the hole transport layer material to the dye layer is a temperature of 50 to 120 ° C. Manufacturing method of the photoelectric conversion element.   The method for producing a photoelectric conversion element according to claim 1, wherein the binder is a plastic resin.   The method for producing a photoelectric conversion element according to claim 12, wherein the hole transport layer is plasticized.   The method for producing a photoelectric conversion element according to claim 1, wherein the binder is a cyanide.   The method for producing a photoelectric conversion device according to claim 14, wherein the cyanide is a cyanoethylate.   The method for producing a photoelectric conversion element according to claim 1, wherein the solvent has a boiling point of 60 to 200 ° C.   The method for producing a photoelectric conversion element according to claim 1, wherein the solvent is an organic solvent.   The method for producing a photoelectric conversion element according to claim 1, wherein the solvent is acetonitrile.   The method for producing a photoelectric conversion element according to claim 1, wherein the hole transport material is a solution in which 0.05 to 2.5 wt% is added to the weight of the solvent.   It is a solar cell, The manufacturing method of the photoelectric conversion element in any one of Claim 1 thru | or 19.