2023
DOI: 10.1021/acsaelm.2c01624
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Substituent Effects of Electron-Withdrawing and Electron-Donating Groups on Photovoltaic Properties of Quinoxaline-Based Polymers

Abstract: Herein, a string of quinoxaline-based D–A-type polymers possessing either electron-withdrawing or electron-donating groups were developed to explore their impact on the photovoltaic efficiency of the polymers. Once the reference polymer PBF-CF3Qx was prepared, extra fluorine atoms and methoxy units were selectively added on the 6,7-positions of the quinoxaline unit of the PBF-CF3Qx reference to provide two objective polymers, PBF-CF3QxF and PBF-CF3QxM, respectively. Owing to the significant influence of the ex… Show more

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