研究目的
To determine the power output characteristics of a planar perovskite solar cell (PSC) with p-i-n inverted structure under illumination and to introduce an alternate lead free inverted perovskite solar cell.
研究成果
The lead free CH3NH3SnI3 based inverted PSC has been simulated with PCBM as ETL and NiO as HTL, achieving an efficiency of 22.95%. The optimized absorber layer thickness is 600 nm. The study suggests that ITO/NiO/CH3NH3SnI3/PCBM/Al inverted PSC structure is a potential alternative for the third generation solar cell.
研究不足
The study is based on simulation and may not fully capture all real-world conditions and variations.
1：Experimental Design and Method Selection:
The study uses SCAPS-1D (Solar Cell Capacitance Simulator) for the simulation of CH3NH3SnI3 based PSC with NiO as HTM and PCBM as ETM. The simulation is based on three coupled differential equations: Poisson’s, continuity equation for holes, and electrons.
2：Sample Selection and Data Sources:
The parameters of device and material are adopted from theories and literatures for simulation.
3：List of Experimental Equipment and Materials:
The materials used include NiO as HTL, CH3NH3SnI3 as the perovskite absorber layer, and PCBM as ETL.
4：Experimental Procedures and Operational Workflow:
The simulation is done under an illumination of 1000 W/m2, temperature of 25 °C and an air mass of 1.5 G.
5：5 G.
Data Analysis Methods:
5. Data Analysis Methods: The effect of different electrical parameters on the ef?ciency of the solar cell is analyzed by varying various parameters.
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