Bismuth Halide Perovskite-Like Materials: Current Opportunities and Challenges

Area of Science:

• Materials Science
• Renewable Energy
• Solid-State Chemistry

Background:

• Metal halide perovskites show high power conversion efficiencies (>23%) in solar cells.
• Current research focuses on 3D lead-based perovskites, but lead toxicity and material instability hinder commercialization.
• Developing low-toxicity, stable alternatives is crucial for advancing photovoltaic technology.

Purpose of the Study:

• To review recent progress in bismuth-based halide perovskite-like materials as environmentally friendly photovoltaic alternatives.
• To highlight advancements in understanding and modifying their fundamental properties and device performance.
• To identify current challenges and future opportunities for these materials.

Main Methods:

• Literature review of recent advances in bismuth-based halide perovskites.
• Analysis of fundamental properties and device performance modifications.
• Discussion of challenges, opportunities, and application diversification.

Main Results:

• Bismuth-based halide perovskites are emerging as viable, low-toxicity alternatives to lead-based materials.
• Progress has been made in understanding and tuning their optoelectronic properties.
• Device performance is improving, showing potential for commercial solar cell applications.

Conclusions:

• Bismuth-based halide perovskites represent a significant step towards sustainable and efficient solar energy conversion.
• Further research into material modification and device engineering is needed to fully realize their potential.
• Diversification of applications beyond solar cells may be possible.