Title:
光起電力素子
Document Type and Number:
Japanese Patent JP6848858
Kind Code:
B2
Abstract:
The objective of the present invention is to provide a photovoltaic element having excellent photoelectric conversion efficiency. The photovoltaic element of the present invention for achieving the objective has the following configuration. That is, the photovoltaic element has at least a negative electrode, a photoelectric conversion layer, a hole extraction layer, and a positive electrode in this order, wherein the hole extraction layer contains a hole transporting material and a compound represented by general formula (1) or (2) below. (In formula (1), R 1 represents an alkyl group having 8-14 carbon atoms or an alkanoyl group having 8-14 carbon atoms, and n represents a natural number of 1-9. In formula (2), R 2 represents an alkenyl group, and m represents a natural number.)
Inventors:
Keisuke Asaka
Shuhei Yamamoto
Daisuke Kitazawa
Shuhei Yamamoto
Daisuke Kitazawa
Application Number:
JP2017514717A
Publication Date:
March 24, 2021
Filing Date:
March 13, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
H01L51/46; C08L25/18; C08L65/00; C08L71/02
Domestic Patent References:
| JP2009238593A | ||||
| JP2015165491A | ||||
| JP2015124316A | ||||
| JP2015101544A |
Foreign References:
| WO2012153845A1 | ||||
| US20050253503 |