#2 Acceptor Materials

An electron acceptor is a substance that accepts electrons in electron transport. So far, in the field of organic photovoltaic cells, a large number of researchers have devoted themselves to the study of electron donor materials, but the research progress of the best acceptor materials lags far behind that of electron donor materials. In recent years, it has become increasingly difficult to improve the efficiency of organic solar cells, suggesting that simply finding new electron donors will not improve the efficiency of cells significantly[1]. In addition, significant breakthroughs in the photoelectric conversion efficiency of organic solar cells are closely related to the research of new donor/acceptor materials.

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