Electric field enhanced with CdS/ZnS quantum dots passivation for efficient and stable perovskite solar cells

Robust and Efficient Carbon-Based Planar Perovskite Solar Cells with a CsPbBr3–MoS2 Hybrid Absorber

“…Nanoparticles with a minuscule size have been widely utilized for enhancing the photovoltaic performance of PSCs due to their adjustable optical/electronic character, high light absorption coefficient, multiple exciton generation, and solution processability. ,,− Various nanocrystals such as PbS, Sb 2 S 3 , Ag 2 S, and MoS 2 have been developed as efficient absorbers for solar conversion applications. − MoS 2 has attracted noteworthy interest due to its high carrier mobility (470 cm 2 ·V –1 ·s –1 for electrons and 480 cm 2 ·V –1 ·s –1 for holes), low-cost, adjustable semiconductor type, and appropriate band gap. − Kakavelakis et al have reported that the utilization of MoS 2 as a hole transport interlayer in inverted PSCs could achieve improved PCE and enhanced stability . Tang et al have utilized MoS 2 to modify the hole transport layer in inverted PSCs for improving the perovskite layer quality .…”

In Situ PL Tracking of Halide Exchange at 3D/QD Heterojunction Perovskite Solar Cells

“…Perovskite solar cells (PSCs) are emerging as a leading contender to become the next commercially viable photovoltaic technology . The high efficiency of PSCs, which surpasses 26%, can be attributed to their appropriate direct bandgap, high absorption coefficient, long exciton diffusion lengths, and low exciton binding energy. , Nevertheless, the primary challenge hindering the commercialization of PSCs is their operational instability under typical environmental conditions, such as high humidity, intense radiation, and oxygen. − To enhance the stability of PSCs, numerous nanomaterials − have been proposed as a passivating layer for protecting the perovskite film from surface chemical reactions and prevent bimolecular charge carrier recombination across the device. Among these nanomaterials, perovskite QDs possess the advantages of a tunable bandgap, along with controllable conduction/valence band energies, achieved through adjusting the halide composition.…”

Recent Advances in Quality Strengthening of Perovskite Films by Additive Engineering for Efficient Solar Cells

“…Among these techniques, additives engineering has emerged as a significant factor in influencing the film formation process and crystallization dynamics, leading to enhanced performance and stability of the resultant devices. [30,31] The introduction of additive molecules into the perovskite precursor has been found to significantly enhance the quality of the resulting perovskite film. These additive molecules play a crucial role in passivating the Pb 2þ and halogen-negative defect sites present on the perovskite film.…”