研究目的
Investigating the effects of fused tetraphenylethylene-triphenylamine molecules as hole transporting materials in perovskite solar cells on power conversion efficiency and stability.
研究成果
The fused tetraphenylethylene-based hole transporting material exhibits superior power conversion efficiency and stability compared to its non-fused counterpart and even outperforms the conventional spiro-OMeTAD, demonstrating its potential as an efficient hole transporting material in perovskite solar cells.
研究不足
The study focuses on the comparison between fused and non-fused tetraphenylethylene-triphenylamine molecules, and their performance relative to spiro-OMeTAD. Potential areas for optimization include further enhancing the power conversion efficiency and stability of the devices.
1：Experimental Design and Method Selection:
The study involves the synthesis of fused and non-fused tetraphenylethylene-triphenylamine molecules and their application as hole transporting materials in perovskite solar cells.
2：Sample Selection and Data Sources:
The samples include perovskite solar cells fabricated with the synthesized molecules.
3：List of Experimental Equipment and Materials:
Includes UV-vis absorption and emission spectroscopy, cyclic voltammetry, differential pulse voltammetry, space charge limited current measurements, scanning electron microscopy, atomic force microscopy, and photovoltaic performance measurements.
4：Experimental Procedures and Operational Workflow:
Detailed synthesis of molecules, fabrication of perovskite solar cells, and characterization of their photovoltaic properties.
5：Data Analysis Methods:
Analysis of photophysical, electrochemical, and photovoltaic properties to evaluate the performance of the hole transporting materials.
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