Ethanol-incorporated lead iodide precursor solution for improving triple-cation perovskite performance

被引：4
作者：
Mohammed, Ban K. [1 ]
Mohammed, Mustafa K. A. [2 ,3 ]
Ahmed, Duha S. [1 ]
机构：
[1] Univ Technol Baghdad, Dept Appl Sci, Branch Appl Phys, Baghdad, Iraq
[2] Dijlah Univ Coll, Al Masafi St, Baghdad, Iraq
[3] Al Turath Univ Coll, Baghdad, Iraq
来源：
MATERIALS LETTERS | 2021年 / 305卷
关键词：
Ethanol; Perovskite; Solvent Additive; Solar cells; SOLAR-CELLS; CARBON NANOTUBES; EFFICIENCY;
D O I：
10.1016/j.matlet.2021.130758
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Herein, a solvent additive of ethanol is added into lead iodide precursor solution for mesoporous perovskite solar cells (PSCs). This solvent additive method achieving improved charge injection and hole blocking merits. Also, a power conversion efficiency (PCE) of 18.37% is obtained, a remarkable improvement in comparison that without ethanol additive. These enhancements are related to the better features of triple-cation perovskite as compared to untreated perovskite film, such as passivated grain boundaries, lower surface defects, higher crystallinity and mitigated electron-hole recombination processes.
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页数：4
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