PHOTOVOLTAIC ELEMENT

WIPO Patent Application WO/2017/159609

A1

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), R1 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), R2 represents an alkenyl group, and m represents a natural number.)

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ASAKA KEISUKE (JP)
YAMAMOTO SHUHEI (JP)
KITAZAWA DAISUKE (JP)

PCT/JP2017/009950

September 21, 2017

March 13, 2017

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TORAY INDUSTRIES (JP)

H01L51/46; C08K5/06; C08L25/02; C08L65/00; C08L71/02

WO2012153845A1

2012-11-15

JP2009238593A	2009-10-15
JP2015124316A	2015-07-06
JP2015165491A	2015-09-17
JP2015101544A	2015-06-04

See also references of EP 3432377A4

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