Leveraging the Anomalous Photovoltaic Effect in Halide Perovskite-Based Photovoltaics

Area of Science:

• Materials Science
• Renewable Energy
• Solid-State Physics

Background:

• Traditional photovoltaics face limitations in efficiency and processing.
• The anomalous photovoltaic (APV) effect emerges as a promising alternative for solar energy conversion.
• Oxide perovskites have been extensively studied for the APV effect.

Purpose of the Study:

• To review the theoretical underpinnings of the APV effect.
• To explore the mechanisms, criteria, and materials associated with the APV phenomenon.
• To assess the potential of APV in enhancing halide perovskite solar cells.

Main Methods:

• Literature review of theoretical foundations and experimental investigations.
• Detailed examination of the bulk photovoltaic effect and domain wall effect.
• Analysis of material classes exhibiting the APV effect.

Main Results:

• The APV effect is driven by the bulk photovoltaic effect and domain wall effect.
• Specific criteria govern the manifestation of the APV effect in materials.
• Various oxide and halide perovskite materials demonstrate the APV phenomenon.

Conclusions:

• The APV effect offers a pathway to overcome limitations in conventional solar energy conversion.
• Halide perovskite solar cells harnessing the APV effect show potential comparable to silicon.
• APV in perovskites provides advantages like facile processing and unique optoelectronic properties.