Photoelectric Properties of Planar and Mesoporous Structured Perovskite Solar Cells

被引：11
|
作者：
Asmontas, Steponas [1 ]
Cerskus, Aurimas [1 ]
Gradauskas, Jonas [1 ]
Griguceviciene, Asta [1 ]
Juskenas, Remigijus [1 ]
Leinartas, Konstantinas [1 ]
Lucun, Andzej [1 ]
Petrauskas, Kazimieras [1 ]
Selskis, Algirdas [1 ]
Staisiunas, Laurynas [1 ]
Suziedelis, Algirdas [1 ]
Silenas, Aldis [1 ]
Sirmulis, Edmundas [1 ]
机构：
[1] Ctr Phys Sci & Technol, Savanoriu Ave 231, LT-02300 Vilnius, Lithuania
来源：
MATERIALS | 2022年 / 15卷 / 12期
关键词：
advanced energy materials; perovskite; solar cell; thin film; power conversion efficiency; EXCITATION-POWER DEPENDENCE; EFFICIENT; PHOTOLUMINESCENCE; LAYER; TIO2; MOBILITIES; LIFETIMES; DYNAMICS; CARRIERS; EDGE;
D O I：
10.3390/ma15124300
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The high efficiency of perovskite solar cells strongly depends on the quality of perovskite films and carrier extraction layers. Here, we present the results of an investigation of the photoelectric properties of solar cells based on perovskite films grown on compact and mesoporous titanium dioxide layers. Kinetics of charge carrier transport and their extraction in triple-cation perovskite solar cells were studied by using transient photovoltage and time-resolved photoluminescence decay measurements. X-ray diffraction analysis revealed that the crystallinity of the perovskite films grown on mesoporous titanium dioxide is better compared to the films grown on compact TiO2. Mesoporous structured perovskite solar cells are found to have higher power conversion efficiency mainly due to enlarged perovskite/mesoporous -TiO2 interfacial area and better crystallinity of their perovskite films.
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页数：14
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