High-quality perovskite films prepared by nucleus epitaxial growth for efficient and stable perovskite solar cells

Abstract

The quality of perovskite films is influenced by the crystal growth process and determines the performance and stability of the perovskite solar cells. The incongruous atomic dispersion of nucleation during...

Enhanced comprehensive performance of carbon-based hole-transport-layer-free CsPbI2Br solar cells by a low-cost and stable long chain polymer

“…The τ ave increases from 1.66 ns for the pristine film to 2.08 ns for the 0.005 mg mL −1 ABS-added one (see Table S3, ESI†), which is attributed to the enhanced crystallinity and the improved surface morphology. 57…”

Air-processed MAPbI3 perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled via a polymer dual-passivation strategy

“…It is universally known that the fabrication of air-processed PSCs involves conspicuously decreasing the traps/defects of the perovskite film, as well as improving its grain crystallinity. 24,25 Hence, a novel polymer dual-passivation strategy was employed by introducing APP as an additive to the green anti-solvent to accurately modify the CH 3 NH 3 PbI 3 (MAPbI 3 ) perovskite layer during the crystallization process. Fig.…”

Templated-seeding renders tailored crystallization in perovskite photovoltaics: path towards future efficient modules

“…The precursor solution, essential for perovskite film preparation, can be enhanced by the effective seed-assisted growth method, which involves introducing seeds into the solution to improve film quality and device performance. Various seed materials to date, including perovskite-based seeds, 46,47 nanocrystals, and additives, 48 have been utilized to promote nucleation and enhance crystal growth, leading to improved performance and stability of perovskite solar cells.…”