Prospects for Tin-Containing Halide Perovskite Photovoltaics

Area of Science:

• Materials Science
• Photovoltaics
• Solid-State Chemistry

Background:

• Tin-containing metal halide perovskites are promising for photovoltaics, enabling narrow band gap materials for tandems and lead-free options.
• Incorporating tin(II) significantly impacts perovskite properties, including solution chemistry, crystallization, and defect states.

Purpose of the Study:

• To review the challenges and successful strategies for tin-containing perovskites.
• To outline research directions for advancing tin-based perovskite solar cells.
• To propose methods for a unified understanding of tin incorporation.

Main Methods:

• Literature review and perspective synthesis.
• Analysis of charge carrier dynamics and nonradiative losses.
• Focus on interfaces in p-i-n perovskite solar cells.

Main Results:

• Identified key hurdles in tin-containing perovskite development.
• Highlighted community efforts and successful approaches to overcome challenges.
• Detailed insights into charge carrier dynamics and interface losses.

Conclusions:

• Addressing hurdles in tin incorporation is crucial for high-performance devices.
• Further research on charge carrier dynamics and interfaces will accelerate development.
• Tin-containing perovskites are vital for future stable, efficient single-junction and tandem solar cells.