CIGS SOLAR CELLS GROWN BY A THREE-STAGE PROCESS WITH DIFFERENT EVAPORATION RATES

被引：0

作者：

Chirila, A. ^{[1
]}

Guettler, D. ^{[1
]}

Bremaud, D. ^{[2
]}

Buecheler, S. ^{[1
]}

Verma, R. ^{[1
]}

Seyrling, S. ^{[1
]}

Nishiwaki, S. ^{[1
]}

Haenni, S. ^{[1
]}

Bilger, G. ^{[3
]}

Tiwari, A. N. ^{[1
]}

机构：

[1] EMPA, Lab Thin Films & Photovolta, Ueberlandstr 129, CH-8600 Dubendorf, Switzerland

[2] FLISON AG, CH-8600 Dubendorf, Switzerland

[3] Univ Stuttgart, IPE, D-70569 Stuttgart, Germany

来源：

2009 34TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, VOLS 1-3 | 2009年

关键词：

D O I：

暂无

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：

Solar cells based on polycrystalline Cu(In,Ga)Se-2 (CIGS) absorber layers have shown high potential for low cost photovoltaic energy conversion. Our group has achieved 18.1% efficient cells on glass substrates and 14.1% on flexible polyimide foils [1] without antireflection (AR) coating. These results were achieved by applying a three-stage evaporation process with common growth rates of about 35 nm/min. Aim of this study was to enhance the growth rates of layers deposited at low substrate temperature (450 degrees C) suitable for polyimide foils and to investigate structural properties of CIGS layers and photovoltaic properties of solar cells. It was found that very high deposition rates of 500 nm/min during the 2nd and 3rd stage of the evaporation process are feasible, maintaining high absorber quality and performance of solar cells.

引用

页码：867 / +

页数：2

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