Performances of perovskite solar cells at low-intensity light irradiation

被引：8
|
作者：
Zhu, Shusheng [1 ]
Li, Yang [2 ]
机构：
[1] Wuyi Univ, Coll Appl Phys & Mat, Jiangmen 529000, Peoples R China
[2] Wuyi Univ, Fac Intelligent Mfg, Jiangmen 529000, Peoples R China
来源：
SOLID-STATE ELECTRONICS | 2020年 / 173卷
关键词：
Perovskite solar cells; Shunt resistance; Equivalent electric circuit models; Weak light performance;
D O I：
10.1016/j.sse.2020.107903
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Due to their excellent photo-to-electric power conversion efficiency (PCE) (up to 25.2%) under AM 1.5G (approximate to 100,000 Lux), the perovskite solar cells (PSCs) have received widespread attention in recent years, but the research on their weak light (0-1000 Lux) performances is still rare. So, the effect factors of their weak light performances were explored in this work. According to the results, the PSCs with higher shunt resistance (R-sh) exhibit better weak light performances. The PSCs with low R-sh exhibit a significant weak diode leakage mechanism, and thus their output characteristics would decrease seriously with the decrease of light intensity. This work provides constructive guidelines for improving the weak light performances of PSCs.
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页数：5
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