A Two-Step Modified Sequential Deposition Method-based Pb-Free (CH3NH3)3Sb2I9 Perovskite with Improved Open Circuit Voltage and Performance

被引：43
作者：
Ahmad, Khursheed [1 ]
Kumar, Praveen [1 ]
Mobin, Shaikh M. [1 ,2 ,3 ]
机构：
[1] Indian Inst Technol Indore Simrol, Discipline Chem, Khandwa Rd, Indore 453552, India
[2] Indian Inst Technol Indore Simrol, Discipline Biosciences, BioMed Engn, Khandwa Rd, Indore 453552, India
[3] Indian Inst Technol Indore Simrol, Discipline Met Engn, Mat Sci, Khandwa Rd, Indore 453552, India
来源：
CHEMELECTROCHEM | 2020年 / 7卷 / 04期
关键词：
Pb-free perovskite; low toxicity; light absorber; solar cells; open circuit potential; TIN HALIDE PEROVSKITES; LEAD-FREE; SOLAR-CELLS; STABILITY;
D O I：
10.1002/celc.201902107
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In the last decade, photovoltaic devices employing lead halide perovskites as light absorber have pulled the attention of researchers due to their outstanding performance. However, the lead halide perovskite based photovoltaic devices suffering from the toxicity of lead (Pb) and lower stability in air. Herein, we have replaced Pb with less toxic antimony (Sb) to prepare air stable and Pb-free perovskite light absorber. Moreover, we have developed a two-step procedure to prepare the high quality films of perovskite light absorber with device architecture of FTO/CL-TiO2/m-TiO2/MASbI/HTM/Au. This fabricated Pb-free perovskite solar cell device prepared with two-step procedure shows good performance with remarkably good open circuit voltage of 740 mV.
引用
收藏
页码：946 / 950
页数：5
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