10001809_CsPbI3 quantum dots as an interface engineering layer to improve efficiency and stability of perovskite solar cells

CsPbI3 quantum dots as an interface engineering layer to improve efficiency and stability of perovskite solar cells Manman Hu, Chang Liu, , Xianyong Zhou, Jianchang Wu,, Baomin Xu * b photoluminescence spectra; c UV−Vis absorption spectra; and d powder XRD patterns of the CsPbI3 QDs. Fig. 2 a Schematic diagram showing the fabrication process of CsPbI3 QD interface engineering; b Typical J–V characteristics and c corresponding EQE of solar cells W/ CsPbI3 QDs and W/O CsPbI3 QDs References 1. Zhou, H. et al. Interface engineering of highly efficient perovskite solar cells. Science 345, 542–546 (2014). 2. Wang, Y. et al. All-inorganic colloidal perovskite quantum dots: a new class of lasing materials with favorable characteristics. Adv. Mater. 27,7101–7108 (2015). 3. Liu, C.; Hu, M.; Zhou, X.; Wu, J.; Zhang, L.; Kong, W.; Li, X.; Zhao, X.; Dai, S.; Xu, B.et al. Efficiency and stability enhancement of perovskite solar cells by introducing CsPbI3 quantum dots as an interface engineering layer. NPG Asia Materials 2018.