Boosting charge transfer with MoS2-grafted MXene interlayers for high-efficiency all-inorganic CsPbBr3 perovskite solar cells with an ultrahigh voltage of 1.701 V

Two-dimensional MXene nanoflakes grafted with MoS 2 QDs are used as multifunctional interlayers at the perovskite/carbon interface in all-inorganic CsPbBr 3 perovskite solar cells, achieving a 10.70% efficiency with an ultrahigh V oc of 1.701 V.