Abstract— Organic solar cells are of majority concern for future electrical power generation because of low-cost, lightweight and flexible production. Stability and degradation is of paramount importance in organic solar cells. Depending on the significance of air exposure, the degradation of organic solar cells can be divided into extrinsic and intrinsic degradation. Organic solar cells often suffer from degradation in oxygen and water. Intrusion of oxygen and water are the principal causes of extrinsic degradation. In this study, we discuss the recent developments of organic solar cell materials and summarize recent improve of organic solar cells with emphasis on the extrinsic degradation that specially related to oxygen and water.
Keywords— Degradation, Organic Solar Cell, Stability.
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