Water-Assisted Lift-Off Process for Flexible CdTe Solar Cells

被引：10
|
作者：
Bista, Sandip Singh [1 ,2 ]
Li, Deng-Bing [1 ,2 ]
Rijal, Suman [1 ,2 ]
Neupane, Sabin [1 ,2 ]
Awni, Rasha A. [1 ,2 ]
Jiang, Chun-Sheng [3 ]
Xiao, Chuanxiao [3 ]
Subedi, Kamala Khanal [1 ,2 ]
Song, Zhaoning [1 ,2 ]
Phillips, Adam B. [1 ,2 ]
Wen, Xixing [4 ]
Ellingson, Randall J. [1 ,2 ]
Heben, Michael J. [1 ,2 ]
Yan, Yanfa [1 ,2 ]
机构：
[1] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA
[2] Univ Toledo, Wright Ctr Photovolta Innovat & Commercializat PV, Toledo, OH 43606 USA
[3] Mat Sci Ctr, Natl Renewable Energy Lab, Golden, CO 80401 USA
[4] Rensselaer Polytech Inst, Ctr Mat Devices & Integrated Syst, Troy, NY 12180 USA
来源：
ACS APPLIED ENERGY MATERIALS | 2023年 / 6卷 / 02期
关键词：
delamination; cadmium telluride; cadmium chloride; flexible; lightweight; FILMS;
D O I：
10.1021/acsaem.2c03287
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In recent years, various lift-off methods have been developed to fabricate lightweight and flexible cadmium telluride (CdTe)-based solar cells. In this work, we report flexible cadmium sulfide (CdS)/CdTe solar cells using a water-assisted lift-off approach. We demonstrate that an additional cadmium chloride treatment for the CdS film is critical to improve the grain size of CdS and the post-deposited CdTe film and the electron conductivity of the CdS film. As a result, the quality of the CdS/ CdTe front junction is significantly improved with reduced nonradiative recombination. Finally, our lightweight and flexible polycrystalline CdTe solar cells demonstrate a champion power conversion efficiency of 12.6%.
引用
收藏
页码：885 / 891
页数：7
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