Multiple methoxy groups in carbazole-based hole transporting layers for efficient perovskite solar cells: a computational and experimental investigation

Key Points

• The incorporation of methoxy groups in carbazole-based layers improves the efficiency of perovskite solar cells, leading to better energy conversion rates.
• Experimental results indicate a notable increase in solar cell performance metrics, with efficiencies nearing 20% observed in optimized configurations.
• Computational analysis supports experimental findings, indicating that specific molecular interactions significantly enhance charge transport properties in solar cells.
• These findings imply that optimizing hole transporting layers could drive advances in the development of highly efficient perovskite solar cells.