硒化铜铟镓太阳电池
光伏系统
钝化
材料科学
光刻
光电子学
太阳能电池
光伏
工程物理
能量转换效率
太阳能电缆
纳米技术
电气工程
光电-热混合太阳能集热器
图层(电子)
工程类
太阳镜
作者
Shogo Ishizuka,Yukiko Kamikawa,Jiro Nishinaga
标识
DOI:10.1038/s41528-022-00224-1
摘要
Abstract Lightweight and flexible photovoltaic solar cells and modules are promising technologies that may result in the wide usage of light-to-electricity energy conversion devices. This communication presents the prospects of Cu(In,Ga)Se 2 (CIGS)-based lightweight and flexible photovoltaic devices. The current status of flexible CIGS minimodules with photovoltaic efficiency values greater than 18% and future directions to enhance their efficiency values toward >20% are discussed. The effects of cell separation edges, which are formed through a mechanical, laser, or photolithography scribing process used to fabricate solar cells and modules, on the device performance are also discussed. We found that mechanically scribed CIGS device edges, which are present in conventional solar cells and modules, cause deterioration of device performance. In other words, further improvement is expected with appropriate passivation/termination treatment of the edges or replacing mechanical scribing with a damage-free separation process.
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