Solution Chemistry Engineering toward High-Efficiency Perovskite Solar Cells.

Area of Science:

• Materials Science
• Renewable Energy
• Solid-State Physics

Background:

• Organic and inorganic hybrid perovskites are advanced light-absorbing semiconductors.
• Perovskite solar cell (PSC) efficiency has rapidly increased due to active research.
• Controlling perovskite morphology and composition is crucial for high performance.

Purpose of the Study:

• To review progress in solution chemistry engineering for perovskite solar cells.
• To discuss critical control parameters for solution growth of high-quality perovskite films.
• To explore the impact of processing parameters and film architectures on charge carrier dynamics.

Main Methods:

• Review of recent advancements in solution chemistry engineering for perovskite fabrication.
• Analysis of control parameters influencing perovskite film quality and solar cell performance.
• Discussion of charge carrier dynamics in relation to film architecture and processing.

Main Results:

• Solution chemistry engineering has enabled PSCs with efficiencies exceeding 17.9%.
• This approach surpasses the performance of vapor-phase growth methods.
• Understanding processing parameters is vital for optimizing perovskite film quality.

Conclusions:

• Solution-processed perovskite solar cells show great promise for high efficiency.
• Further research is needed to address cost and stability challenges.
• Optimizing solution chemistry and film architecture is essential for advancing PSC technology.