PHOTOELECTRIC CONVERSION ELEMENT, METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION ELEMENT, AND ELECTRONIC APPARATUS

Abstract

A photoelectric conversion element includes a first electrode, a second electrode, and a photoelectric conversion element provided between the first electrode and the second electrode. The photoelectric conversion element includes a polymer. The polymer includes at least one light absorber which absorbs light and generates at least one kind of carrier. An end part of the polymer combines with a surface, which faces the second electrode, of the first electrode.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be described with reference to the accompanying drawings, wherein like numbers reference like elements.

FIG. 1 is a sectional view schematically showing an example of a photoelectric conversion element according to the invention.

FIG. 2 is a schematic view of a photoelectric conversion layer included in the photoelectric conversion element of FIG. 1.

FIG. 3 is a schematic view showing an example of a photoelectric conversion layer of FIG. 2.

FIG. 4 is a schematic view for describing a method for manufacturing the photoelectric conversion element of FIG. 1.

FIG. 5 is a schematic view for describing a method for manufacturing the photoelectric conversion element of FIG. 1.

FIG. 6 is a schematic view showing another example of a photoelectric conversion layer included in a photoelectric conversion element according to the invention.

FIG. 7 is a schematic view showing an example of a photoelectric conversion layer of FIG. 6.

FIG. 8 is a schematic view for describing another example of a method for manufacturing a photoelectric conversion element.

FIG. 9 is a schematic view for describing yet another example of a method for manufacturing a photoelectric conversion element.

FIG. 10 is a plan view showing a calculator.

FIG. 11 is a perspective view showing a cellular phone (including a personal handyphone system: PHS).

Claims

1. A photoelectric conversion element, comprising; a first electrode;a second electrode; anda photoelectric conversion layer provided between the first electrode and the second electrode,the photoelectric conversion layer includes a polymer,the polymer including at least one light absorber which absorbs a light and generates at least one kind of carrier,an end part of the polymer is connected to a surface of the first electrode, andthe surface facing the second electrode.

2. The photoelectric conversion element according to claim 1, the polymer including the light absorber on a side chain branching from a main chain.

3. The photoelectric conversion element according to claim 1, the light absorber including a coumarin skeleton.

4. The photoelectric conversion element according to claim 1, the polymer including at least one carrier mediating part,the carrier mediating part mediating a transfer of a carrier generated in the light absorber to the first electrode, andthe carrier mediating part being located at a position closer to the first electrode compared to the light absorber.

5. The photoelectric conversion element according to claim 4, a part of the main chain of the polymer working as the carrier mediating part.

6. The photoelectric conversion element according to claim 5, the carrier mediating part including a fullerene skeleton.

7. A method for manufacturing a photoelectric conversion element that has a photoelectric conversion layer disposed between a first electrode and a second electrode, the method comprising; forming a first part included in the photoelectric conversion layer on the first electrode; andforming a second part that is included in the photoelectric conversion layer, the second part being bonded to at least one part of the first part.

8. The method for manufacturing a photoelectric conversion element according to claim 7, at least one of the first part and the second part including at least one light absorber that absorbs a light and generates a carrier.

9. The method for manufacturing a photoelectric conversion element according to claim 8, a third part connected to a surface of the first electrode interposing between the first part and the first electrode, andthe first part being supported on the first electrode by interposing the third part.

10. The method for manufacturing a photoelectric conversion element according to claim 7, at least one of the first part and the second part being formed by a polymerization of a monomer.

11. The method for manufacturing a photoelectric conversion element according to claim 10, the forming of the second part including carrying out a living polymerization of the monomer,a growth end to react with the monomer being regenerated during the living polymerization, andthe growth end being bonded to a substituent group included in the first part.

12. An electronic apparatus, comprising; the photoelectric conversion element according to claim 1.