Neutral- and Multi-Colored Semitransparent Perovskite Solar Cells

Area of Science:

• Materials Science
• Renewable Energy
• Optoelectronics

Background:

• Perovskite solar cells are emerging as a promising photovoltaic technology.
• Building-integrated photovoltaics (BIPV) and tandem solar cells require semitransparent devices.
• Achieving tunable transparency and color in perovskite solar cells is crucial for advanced applications.

Purpose of the Study:

• To review recent advancements in semitransparent perovskite solar cells.
• To discuss strategies for achieving neutral and multi-colored semitransparency.
• To explore applications in BIPV and tandem solar cells.

Main Methods:

• Investigating perovskite solar cells with microstructured "islands" and various transparent electrodes (metallic films, nanowires, carbon nanotubes, graphene, TCOs).
• Engineering perovskite band gaps via chemical management for color generation.
• Integrating perovskite semiconductors with photonic nanostructures, such as microcavities.

Main Results:

• Microstructured perovskite solar cells with diverse transparent electrodes enable optical transparency.
• Chemical band gap engineering and photonic nanostructures allow for distinctive color generation.
• Semiparent perovskite solar cells show potential for BIPV and tandem applications.

Conclusions:

• Semiparent perovskite solar cells with tunable transparency and color are advancing rapidly.
• Further research is needed to optimize performance and explore new applications.
• Future directions include enhancing stability and efficiency for widespread adoption.