研究目的
Investigating the potential of quinoxalineimide-based non-fullerene acceptors for high-performance organic solar cells.
研究成果
The study demonstrates the great potential of imide-functionalized quinoxaline units as central building blocks for constructing high-performance non-fullerene acceptors for polymer solar cells, with an impressive PCE of 13.3% achieved.
研究不足
The absorption coefficient of QIP-based NFAs is slightly lower than that of Y6, which may be due to the presence of additional alkyl-side groups in the imide moiety affecting aggregation.
1：Experimental Design and Method Selection:
Design and synthesis of QIP-4F and QIP-4Cl with quinoxalineimide as the central building block and fluorinated or chlorinated end-capping groups.
2：Sample Selection and Data Sources:
Use of P2F-EHp as the electron-donating polymer for device construction.
3：List of Experimental Equipment and Materials:
Conventional architecture of ITO/PEDOT:PSS/P2F-EHp:NFAs/PFN-Br/Ag for polymer solar cells.
4：Experimental Procedures and Operational Workflow:
Spin-casting of films with chloroform and dibenzyl ether as solvent additive, followed by thermal annealing.
5：Data Analysis Methods:
Characterization of photovoltaic properties, charge-transport properties, and molecular packing properties using various techniques including GIWAXS, AFM, and TEM.
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