Nickel Cobaltite Nanosheet Layer as Hole-Transporting Material in Inverted Perovskite Solar Cells

被引:2
作者
Li, Guodong [1 ]
Dong, Chunhua [2 ]
Wang, Rongbo [3 ]
机构
[1] Tianjin Chengjian Univ, Sch Comp & Informat Technol, Tianjin 300384, Peoples R China
[2] Tianjin Chengjian Univ, Sch Geol & Surveying, Tianjin 300384, Peoples R China
[3] North Chuangxin Grp, Tianjin 300384, Peoples R China
来源
CHEMISTRYSELECT | 2022年 / 7卷 / 26期
关键词
perovskite solar cells; NiCo2O4 nanosheet layer; inorganic; hole-transporting; stability; EFFICIENT; FILMS;
D O I
10.1002/slct.202201354
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Perovskite solar cells (PSCs) were demonstrated as prospective candidates to traditional solar cells due to their low-cost, easy fabrication and excellent opto-electronic properties. In this study, a quality p-type semiconductor nickel cobaltite (NiCo2O4) nanosheet layer was prepared on fluorine-doped tin oxide (FTO) substrate via a simple solution thermal method, which was applied as hole-transporting materials (HTMs) in typical inverted PSCs. The perovskite layer was synthesized by a fast-crystallization method to form a full coverage film on NiCo2O4 nanosheet layer, which can avoid short circuit of contacting PCBM with NiCo2O4, increase the carrier transportation at the interface and hence lead to less recombination process. Fine crystalline perovskite on NiCo2O4 have a fast hole-extraction, leading to a champion efficiency of 18.6 % without hysteresis, which indicates the possible replacement of organic HTMs to fabricate low-cost and highly stable PSCs.
引用
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页数:6
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