Comparison of Various InGaAs-Based Solar Cells for Concentrated Photovoltaics Applications

被引：4

作者：

Chancerel, Francois ^{[1
,2
]}

Regreny, Philippe ^{[1
]}

Leclercq, Jean-Louis ^{[1
]}

Volatier, Maite ^{[2
]}

Jaouad, Abdelatif ^{[2
]}

Darnon, Maxime ^{[2
]}

Fafard, Simon ^{[2
]}

Gendry, Michel ^{[1
]}

Aimez, Vincent ^{[2
]}

机构：

[1] Univ Lyon, Ecole Cent Lyon, Inst Nanotechnol Lyon INI, UMR CNRS 5270, Ecully, France

[2] Univ Sherbrooke, Lab Nanotechnol & Nanosyst, LN2, IRL CNRS 3463,3IT Inst Interdisciplinaire Innovat, Sherbrooke, PQ, Canada

来源：

17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17) | 2022年 / 2550卷

关键词：

HIGH-EFFICIENCY; IMPACT;

D O I：

10.1063/5.0103648

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

InGaAs lattice matched to InP is a promising material for bottom sub-cell in a 4-junction solar cell designed for concentrated photovoltaics applications. Here we compare the performances of two structures that could replace standard monolithic InGaAs homojuntion. The first one is a stand-alone solar cell realized via epitaxial lift-off (ELO) process on a flexible substrate. The second one is a heterojunction solar cell, kept on its parent InP substrate, composed of an InP emitter and an InGaAs absorber. A third structure made of an homojunction InGaAs solar cell on an InP substrate is used as reference. Under one sun illumination the heterojunction solar cell shows the highest V-OC (383 mV) and till factor. Nevertheless, when performing under concentrated sunlight the structure is limited by a lower V-OC increase rate and a high series resistance compared to the ELO cell. Indeed, ELO cell shows a lower V-OC (353 mV) than the two other structures under one sun illumination but, when performing under concentration, ELO cell recovers V-OC and shows a lower impact of series resistance. Therefore, both ELO and heterojunction solar cell show interesting and complementary behaviors that could be interesting to associate in an ELO-heterojunction solar cell.

引用

页数：7

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