Passivation of 2D Cs2PbI2Cl2 Nanosheets for Efficient and Stable CsPbI3 Quantum Dot Solar Cells
Yueli Liu,
Xiaolei Zhang,
Zifan Yang
et al.
Abstract:Inorganic CsPbI 3 perovskite quantum dots (PQDs) possess remarkable optical properties, making them highly promising for photovoltaic applications. However, the inadequate stability resulting from internal structural instability and the complex external surface chemical environment of CsPbI 3 PQDs has hindered the development of CsPbI 3 PQD solar cells (PQDSCs). In this work, the capping layer composed of inorganic two-dimensional (2D) Ruddlesden−Popper (RP) phase Cs 2 PbI 2 Cl 2 nanosheets (NSs) is introduced… Show more
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