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Vol. 10 No. 3 (2018)

Computational Study of Ternary Devices: Stable, Low-Cost, and Efficient Planar Perovskite Solar Cells

https://doi.org/10.1007/s40820-018-0205-5
Sajid Sajid
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Ahmed Mourtada Elseman
Electronic and Magnetic Materials Department, Advanced Materials Division, Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt
Jun Ji
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Shangyi Dou
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Dong Wei
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Hao Huang
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Peng Cui
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Wenkang Xi
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Lihua Chu
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Yingfeng Li
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Bing Jiang
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China
Meicheng Li
State Key Laboratory of Alternate Electrical Power, System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206, People’s Republic of China

Corresponding Author: Meicheng Li

mcli@ncepu.edu.cn

Nano-Micro Letters, Vol. 10 No. 3 (2018), Article Number: 51

Abstract

Although perovskite solar cells with power conversion efficiencies (PCEs) more than 22% have been realized with expensive organic charge-transporting materials, their stability and high cost remain to be addressed. In this work, the perovskite configuration of MAPbX (MA = CH3NH3, X = I3, Br3, or I2Br) integrated with stable and low-cost Cu:NiO x hole-transporting material, ZnO electron-transporting material, and Al counter electrode was modeled as a planar PSC and studied theoretically. A solar cell simulation program (wxAMPS), which served as an update of the popular solar cell simulation tool (AMPS: Analysis of Microelectronic and Photonic Structures), was used. The study yielded a detailed understanding of the role of each component in the solar cell and its effect on the photovoltaic parameters as a whole. The bandgap of active materials and operating temperature of the modeled solar cell were shown to influence the solar cell performance in a significant way. Further, the simulation results reveal a strong dependence of photovoltaic parameters on the thickness and defect density of the light-absorbing layers. Under moderate simulation conditions, the MAPbBr3 and MAPbI2Br cells recorded the highest PCEs of 20.58 and 19.08%, respectively, while MAPbI3 cell gave a value of 16.14%.


Highlights:


1 Simulation study of perovskite solar cells with p–i–n structure in the configuration Cu:NiOx /MAPbX/ZnO/Al.
2 Solar cells with MAPbI2Br photoactive layers exhibit best conversion efficiency and show promise of high thermal stability.
3 Simulation results provide a better understanding of the defect density and thickness of the active perovskite layer.

Keywords

Perovskite solar cells Copper-doped nickel oxide Zinc oxide Simulation
Sajid, Sajid, Ahmed Mourtada Elseman, Jun Ji, Shangyi Dou, Dong Wei, Hao Huang, Peng Cui, Wenkang Xi, Lihua Chu, Yingfeng Li, Bing Jiang, and Meicheng Li. 2018. “Computational Study of Ternary Devices: Stable, Low-Cost, and Efficient Planar Perovskite Solar Cells”. Nano-Micro Letters 10 (3):51. https://doi.org/10.1007/s40820-018-0205-5.
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