Development of a new family of a hole transport layer based on Pm1−xZnxTe QDs for flexible fluorine derivative solar cell

•A novel hole transport material (Pm1−xZnxTe QDs) was developed for flexible FDSCs.•The use of Pm1−xZnxTe QDs as HTL brings unprecedentedly high VOC of 0.78 V.•The use of Pm1−xZnxTe QDs as HTL achieves a power conversion efficiency of 7.8%.•The Pm1−xZnxTe QDs helps for faster dissociation of the pho...

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