Photo-induced dynamic processes in perovskite solar cells: the influence of perovskite composition in the charge extraction and the carrier recombination

被引：0
作者：
Montcada, Nuria F. [1 ]
Mendez, Maria [1 ]
Cho, Kyung Taek [2 ]
Nazeeruddin, Mohammad Khaja [2 ]
Palomares, Emilio [1 ,3 ]
机构：
[1] Barcelona Inst Sci & Technol, Inst Chem Res Catalonia ICIQ, Avda Paisos Catalans 16, E-43007 Tarragona, Spain
[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Grp Mol Engn Funct Mat, Rue Ind 17, CH-1951 Sion, Switzerland
[3] ICREA, Passeig Lluis Co 23, E-08010 Barcelona, Spain
来源：
NANOSCALE | 2018年 / 10卷 / 13期
关键词：
METHYLAMMONIUM LEAD IODIDE; ANOMALOUS HYSTERESIS; ION MIGRATION; TRIHALIDE; KINETICS; BEHAVIOR; IMPACT;
D O I：
10.1039/c8nr00180d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We describe in this work how the use of the photo-induced charge extraction (PICE) technique can be useful to study and understand the relationship between perovskite composition, ion migration processes and solar cell performance. Our results show that varying the organic cation and halide composition in perovskite crystals has an effect on the charge extraction process, which is related to the differences in the ion migration process occurring during light irradiation. Moreover, we do also observe that different perovskites also show differences in interfacial carrier recombination kinetics under operando conditions but the dynamics are too fast to be influenced by the ion migration.
引用
收藏
页码：6155 / 6158
页数：4
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