Numerical Investigation Energy Conversion Performance of Tin-Based Perovskite Solar Cells Using Cell Capacitance Simulator

Yongjin Gan, Xueguang Bi, Yucheng Liu, Binyi Qin, Qingliu Li, Qubo Jiang and Pei Mo
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Yongjin Gan: School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin 537000, China
Xueguang Bi: School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin 537000, China
Yucheng Liu: Department of Mechanical Engineering, Mississippi State University, Starkville, MS 39759, USA
Binyi Qin: School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin 537000, China
Qingliu Li: School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin 537000, China
Qubo Jiang: Optoelectronic Information Processing Key Laboratory of Guangxi, Guilin University of Electronic Technology, Guilin 541004, China
Pei Mo: Department of Electrical and Computer Engineering, Lushan College, Guangxi University of Science and Technology, Yufeng 545000, China

Energies, 2020, vol. 13, issue 22, 1-17

Abstract: The power conversion efficiency of lead halide perovskite solar cells has been elevated to 25.2%. However, the toxicity of lead and the complex fabrication process of those cells considerably hinder the commercial application of such solar cells. Therefore, lead-free solar cells with comparable power conversion efficiency with a much lower environmental impact have recently attracted enormous attention in both academia and industry. This paper presents a theoretical study to assess the energy conversion capacity of lead-free perovskite solar cells with MASnI 3 perovskite as its absorber layer using solar cell capacitance simulator (SCAPS). In particular, the effects of materials of the perovskite solar cells’ electron transport layers (ETLs) and hole transport layers (HTLs) on their energy conversion performance are elaborated. Our results show that Cd 0.5 Zn 0.5 S and MASnBr 3 are the most suitable materials for ETL and HTL, respectively. It is also found from that the solar cell performance can be further enhanced through optimizing the thickness and defect density of its absorber layer. Moreover, the effects of defect densities in interface layers are investigated. In addition, the effects of ETL and HTL doping densities as well as influences of the back-contact work function and operating temperature of the tin-based perovskite solar cells are discussed. Finally, a glass substrate/FTO/Cd 0.5 Zn 0.5 S (ETL)/MASnI 3 /MASnBr 3 (HTL)/back-contact solar cell with a power conversion efficiency of 23.86% is recommended for further optimization.

Keywords: tin-based perovskite solar cell; SCAPS simulation; energy conversion performance; material optimization; parametric study (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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