Efficient design of perovskite solar cell using mixed halide and copper oxide

• 来源期刊: 中国物理B（英文版）
• 关键词: perovskite solar cell band offset device simulation hole transport material
• 年，卷（期）: 2018,（1）
• 页码范围: 612-618
• 页数: 7页
• 语种: 英文
• DOI: 10.1088/1674-1056/27/1/018801

摘要

Solar cells based on perovskites have emerged as a transpiring technology in the field of photovoltaic. These cells exhibit high power conversion efficiency. The perovskite material is observed to have good absorption in the entire visible spectrum which can be well illustrated by the quantum efficiency curve. In this paper, theoretical analysis has been done through device simulation for designing solar cell based on mixed halide perovskite. Various parameters have efficacy on the solar cell efficiency such as defect density, layer thickness, doping concentration, band offsets, etc. The use of copper oxide as the hole transport material has been analyzed. The analysis divulges that due to its mobility of charge carriers, it can be used as an alternative to spiro-OMeTAD. With the help of simulations, reasonable materials have been employed for the optimal design of solar cell based on perovskite material. With the integration of copper oxide into the solar cell structure, the results obtained are competent enough. The simulations have shown that with the use of copper oxide as hole transport material with mixed halide perovskite as absorber, the power conversion efficiency has improved by 6％. The open circuit voltage has shown an increase of 0.09 V, short circuit current density has increased by 2.32 mA/cm2, and improvement in fill factor is 8.75％.