研究目的
To enhance the performance and stability of organic-inorganic perovskite solar cells by introducing a bifunctional additive, biuret, to regulate the crystallization process and passivate defects at grain boundaries.
研究成果
The introduction of biuret as a bifunctional additive significantly improves the efficiency and thermal stability of MAPbI3 solar cells by regulating crystallization and passivating defects. This approach presents a promising direction for enhancing perovskite solar cell performance and stability.
研究不足
The study focuses on the effects of biuret additive on MAPbI3 solar cells, and the findings may not be directly applicable to other perovskite compositions or device architectures.
1：Experimental Design and Method Selection:
The study introduced biuret into the MAPbI3 precursor solution to regulate crystallization and passivate defects.
2：Sample Selection and Data Sources:
Perovskite films were prepared with and without biuret additive for comparison.
3：List of Experimental Equipment and Materials:
SEM, XRD, ATR-FTIR, XPS, PL measurements, and photovoltaic performance assessment were used.
4：Experimental Procedures and Operational Workflow:
The precursor solution was spin-coated, followed by annealing and characterization.
5：Data Analysis Methods:
Data from SEM, XRD, ATR-FTIR, XPS, and PL measurements were analyzed to assess film quality and device performance.
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