High-throughput surface preparation for flexible slot die coated perovskite solar cells

被引：31
作者：
Remeika, Mikas [1 ]
Ono, Luis K. [1 ]
Maeda, Maki [1 ]
Hu, Zhanhao [1 ]
Qi, Yabing [1 ]
机构：
[1] Okinawa Inst Sci & Technol Grad Univ OIST, Energy Mat & Surface Sci Unit EMSS, 1919-1 Tancha, Onna Son, Okinawa, Japan
来源：
ORGANIC ELECTRONICS | 2018年 / 54卷
关键词：
Perovskite solar cell; Surface preparation; Corona treatment; UV-Ozone treatment; High-throughput; Slot-die coating; ZNO NANORODS; UV-OZONE; DEPOSITION;
D O I：
10.1016/j.orgel.2017.12.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To achieve industrially viable fabrication process for perovskite-based solar cells, every process step must be optimized for maximum throughput. We present a study of substituting laboratory-type UV-Ozone surface treatment with a high-throughput Corona treatment in a scalable perovskite solar cell fabrication process. It is observed that water contact angle measurements provide insufficient information to determine the necessary dose of Corona or UV-Ozone treatment, but the surface carbon signal measured by x-ray photoelectron spectroscopy accurately identifies when surface contamination has been completely removed. Furthermore, we observe highly accelerated de-contamination of ZnO surfaces by UV-Ozone treatment. The effect can be explained by photocatalytic O-2(-) ion generation indicating that UV-Ozone treatment is also applicable in high-throughput processing.
引用
收藏
页码：72 / 79
页数：8
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