SOLAR CELL

WIPO Patent Application WO/2019/124012

A1

Provided is a solar cell 10 which uses heat to generate electric power, the solar cell comprising: an absorption layer 11 having a semiconductor material which generates first and second carriers by receiving light; first and second electrodes 12, 13 provided on the absorption layer; a first filter layer 14 which is provided between the absorption layer and the first electrode and controls the movement of the first carriers from the absorption layer to the first electrode; and a second filter layer 15 which is provided between the absorption layer and the second electrode and controls the movement of the second carriers from the absorption layer to the second electrode, wherein the first and second filter layers are composed of a semiconductor material having an energy gap larger than the energy gap of the absorption layer, causes the temperature of the absorption layer to be increased by heat, and can improve the conversion efficiency of the solar cell by making the temperature of the absorption layer higher than the temperatures of the first and second electrodes.

KAMIDE KENJI (JP)
MOCHIZUKI TOSHIMITSU (JP)
TAKATO HIDETAKA (JP)
SHIRASAWA KATSUHIKO (JP)

PCT/JP2018/043782

June 27, 2019

November 28, 2018

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AIST (JP)

H01L31/0525; H01L31/0224

JP2017143174A	2017-08-17
JP2001085712A	2001-03-30
JPH09283778A	1997-10-31
JP2009059915A	2009-03-19
JPS62163973U	1987-10-17
JP2010219240A	2010-09-30
US20170338766A1	2017-11-23

KAMIDE, K. ET AL.: "Nonequilibrium theory of solar cells including finite thermalization and extraction time", 78TH JSAP AUTUMN MEETING, 6 September 2017 (2017-09-06), pages 14-052

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