Photoelectric conversion element, photoelectric conversion module, electronic device, and partition
A photoelectric conversion element includes: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; a sealing part; and a second substrate. The photoelectric conversion element is translucent. The second electrode includes a conductive nanowire and a conductive polymer. The sealing part includes a drying agent.
1 . A photoelectric conversion element comprising:
a first substrate;
a first electrode;
a photoelectric conversion layer;
a second electrode;
a sealing part; and
a second substrate,
wherein the photoelectric conversion element is translucent,
wherein the second electrode includes a conductive metal nanowire and a conductive polymer,
wherein the sealing part includes a drying agent,
wherein an average diameter of the conductive metal nanowire is 5 nm or more and 250 nm or less,
wherein the sealing part contacts with a side surface of the photoelectric conversion layer and an upper surface of the second electrode,
wherein the sealing part is a pressure-sensitive adhesive,
wherein the second electrode has a visible light transmittance of 60% or more and 80% or less.
2 . The photoelectric conversion element according to claim 1 ,
wherein the drying agent is water-reactive.
3 . The photoelectric conversion element according to claim 1 ,
wherein the second electrode has an average thickness of 20 nm or more and 70 nm or less.
4 . The photoelectric conversion element according to claim 1 ,
wherein the conductive metal nanowire is a silver nanowire.
5 . The photoelectric conversion element according to claim 1 ,
wherein the second substrate has a water vapor transmittance of 0.01 (g/m 2 ·day) or less.
6 . The photoelectric conversion element according to claim 1 ,
wherein the photoelectric conversion element has an electrode protection layer between the second electrode and the sealing part.
7 . The photoelectric conversion element according to claim 6 ,
wherein the electrode protection layer includes a fluorine compound having a silane structure.
8 . The photoelectric conversion element according to claim 1 ,
wherein the photoelectric conversion layer includes an electron transport layer and a hole transport layer,
the hole transport layer includes a p-type semiconductor material, a basic compound, and a lithium salt, and
the basic compound includes a pyridine compound.
9 . The photoelectric conversion element according to claim 8 , wherein a surface of the electron transport layer includes a photosensitization compound.
10 . A photoelectric conversion module comprising
at least one photoelectric conversion element including a first substrate, a first electrode, a photoelectric conversion layer, a second electrode, a sealing part, and a second substrate,
wherein the at least one photoelectric conversion element is translucent,
wherein the second electrode includes a conductive metal nanowire and a conductive polymer,
wherein the sealing part includes a drying agent,
wherein an average diameter of the conductive metal nanowire is 5 nm or more and 250 nm or less,
wherein the sealing part contacts with a side surface of the photoelectric conversion layer and an upper surface of the second electrode, and
wherein the sealing part is a pressure-sensitive adhesive.
11 . The photoelectric conversion module according to claim 10 ,
wherein, the photoelectric conversion module includes at least two photoelectric conversion elements adjacent to each other, and the first electrode in one of the photoelectric conversion elements is electrically connected to the second electrode in another of the photoelectric conversion elements through a conduction part penetrating the photoelectric conversion layer.
12 . An electronic device comprising
the photoelectric conversion element according to claim 1 ; and
a device configured to be driven by electric power generated through photoelectric conversion of the photoelectric conversion element.
13 . An electronic device comprising:
the photoelectric conversion element according to claim 1 ;
an electricity storage cell that can store electric power generated through photoelectric conversion of the photoelectric conversion element; and
a device configured to be driven by the electric power stored in the electricity storage cell.
14 . A partition comprising
the photoelectric conversion element according to claim 1 .
15 . A partition comprising:
the photoelectric conversion element according to claim 1 ;
an electricity storage cell that can store electric power generated through photoelectric conversion of the photoelectric conversion element; and
a device configured to be driven by the electric power stored in the electricity storage cell.
16 . The partition according to claim 14 , further comprising
at least one selected from the group consisting of sensors, displays, lights, and audio output devices.
17 . The photoelectric conversion element according to claim 1 , wherein the conductive polymer includes polythiophene or derivatives thereof, polyaniline or derivatives thereof, or polypyrrole or derivatives thereof.
18 . The photoelectric conversion element according to claim 1 , wherein the pressure-sensitive adhesive is not a UV curable resin nor a thermosetting resin.
19 . The photoelectric conversion element according to claim 1 , wherein the second electrode has a visible light transmittance of 60% or more and less than 80%.
20 . The photoelectric conversion element according to claim 1 , wherein the second electrode has a visible light transmittance of 60% or more and 70% or less.