Two-Step Deposition Approach for Lead Free (NH4)3Sb2I9 Perovskite Solar Cells with Enhanced Open Circuit Voltage and Performance

被引：42
作者：
Kumar, Praveen [1 ]
Ahmad, Khursheed [1 ]
Dagar, Janardan [4 ,5 ]
Unger, Eva [4 ,5 ]
Mobin, Shaikh M. [1 ,2 ,3 ]
机构：
[1] Indian Inst Technol Indore, Dept Chem, Khandwa Rd, Indore 453552, India
[2] Indian Inst Technol Indore, Dept Biosci & Biomed Engn, Khandwa Rd, Indore 453552, India
[3] Indian Inst Technol Indore, Dept Met Engn & Mat Sci, Khandwa Rd, Indore 453552, India
[4] Helmholtz Zentrum Berlin, HySPRINT Innovat Lab, Kekulestr 5, D-12489 Berlin, Germany
[5] Young Investigator Grp Hybrid Mat Format & Scalin, Kekulestr 5, D-12489 Berlin, Germany
来源：
CHEMELECTROCHEM | 2021年 / 8卷 / 16期
关键词：
Pb free perovskite; (NH4)(3)Sb2I9; perovskite-like materials; perovskite solar cells; photovoltaics; open circuit voltage; FREE HALIDE PEROVSKITE;
D O I：
10.1002/celc.202100957
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In recent years, development of lead (Pb) free perovskite solar cells (PSCs) has attracted the scientific community because of their stability in air and less toxic nature. Antimony (Sb) based perovskite like-materials such as (CH3NH3)(3)Sb2I9 and (NH4)(3)Sb2I9 have been employed as light absorbers and showed promising features for photovoltaic applications. Herein, we have utilized (NH4)(3)Sb2I9 as light absorber for the construction of Pb free PSCs. Moreover, we have employed a modified two step procedure for the preparation of (NH4)(3)Sb2I9. The developed Pb free PSCs device (FTO/CL-TiO2/m-TiO2/(NH4)(3)Sb2I9/HTM/Au) exhibited enhanced power conversion efficiency (PCE) of 0.42 % with open circuit voltage (Voc) of 945 mV.
引用
收藏
页码：3150 / 3154
页数：5
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