Utilization of electron-donating linkers in M-series dimerized acceptors to achieve high-voltage and efficient organic solar cells

Key Points

• This research aims to explore the use of electron-donating linkers in dimerized small-molecule acceptors to enhance solar cell performance.
• Constructed a dimerized small-molecule acceptor using the 3,4-ethylenedioxythiophene linker.
• Evaluated power conversion efficiency and open-circuit voltage of the solar cells.
• Assessed operational stability over time.
• Achieved a power conversion efficiency of 17.31%.
• Obtained an open-circuit voltage of 0.95 V.
• Demonstrated enhanced operational stability compared to prior designs.