Utilizing high-energy photons via energy transfer for the performance enhancement of PTB7-Th:COi8DFIC-based organic solar cells

Key Points

• The research aims to improve the efficiency of PTB7-Th:COi8DFIC-based organic solar cells by introducing a third component, PBDB-T.
• Investigation of PBDB-T as a polymer donor in organic solar cells.
• Analysis of energy transfer mechanisms between PBDB-T and PTB7-Th.
• Comparison of solar cell performance before and after the introduction of PBDB-T.
• Significant performance enhancement observed in the organic solar cells with PBDB-T inclusion.
• Efficient energy transfer from PBDB-T to PTB7-Th noted as a key factor for improved efficiency.