The alloy donor strategy leverages both complementary polymer donors to enable highly efficient and stable ternary organic solar cells

Key Points

• This research aims to explore the use of complementary polymer donors in enhancing the efficiency of ternary organic solar cells.
• Fabricated organic photovoltaics using J71 and PBDTTS-2FQx as donors and IT-4F as the acceptor.
• Conducted tests on binary devices based on J71:IT-4F and PBDTTS-2FQx:IT-4F.
• Binary devices achieved power conversion efficiencies (PCEs) that demonstrated substantial improvement.
• Results indicate enhanced stability in ternary organic solar cell configurations.