Recent advances in perovskite/organic integrated solar cells

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The integrated perovskite/organic solar cell(IPOSC)is widely concerned as an effective approach to broaden the spectrum of perovskite solar cell(PerSC)by utilizing near-infrared light of lower bandgap organic semiconductor.Compared to tandem solar cells,the IPOSCs eliminate the preparation of the intermediate layer and simplify the manufacturing process,but retain the advantages of wide light harvesting.Meanwhile,the IPOSCs can maintain the open-circuit voltage as high as PerSCs.This review summarizes the recent developments of perovskite materials and low-bandgap organic conju-gated materials applied in solar cells.Then,the working mechanism of IPOSCs and the recent developments of IPOSCs based on low-bandgap donor and acceptor mate-rials are highlighted.Besides,the study of charge dynamic in IPOSC is summarized.Finally,the potential of IPOSCs and approach to improve device performance are also envisaged.
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