Transparent Superhydrophobic Coatings for Self-Cleaning Solar Cell Panels

Researchers from the Department of Physics at Vivekanand College, Kolhapur, India, have discovered that transparent superhydrophobic coatings can enhance the efficiency and longevity of solar cell panels by providing self-cleaning properties and transparency. The study, which has been peer-reviewed, suggests that regular cleaning of solar panels is crucial for maintaining consistent output, but can be a tedious process that shortens the panel's lifespan. The researchers propose that transparent superhydrophobic coatings can mitigate this issue, enabling sunlight to reach solar cells while maintaining their self-cleaning abilities.

Key Takeaways:

• The accumulation of dust, bacterial growth, snow, and airborne particles on outdoor photovoltaic solar panels can significantly reduce solar cell efficiency and power production.
• Regular cleaning of solar panels is crucial for maintaining consistent output, but can be a tedious process that shortens the panel's lifespan.
• Transparent superhydrophobic coatings have the potential to provide self-cleaning abilities as well as transparency, enabling sunlight to reach solar cells.
• Understanding the fundamentals of synergistic effect of superhydrophobicity and transparency of coatings is crucial for sustaining efficiency and longevity.
• The review provides an overview of the fundamentals of superhydrophobicity, self-cleaning properties, and transparency of coatings.
• The study concludes that this review offers valuable insights for those new to researching and creating transparent superhydrophobic coatings, particularly for safeguarding cover glass on photovoltaic solar cells.
• The research has been funded by the Seed Money Scheme from Vivekanand College and the Chhatrapati Shahu Maharaj National Research Fellowship.

Statistics:

• 70% reduction in solar cell efficiency due to accumulation of dust, bacterial growth, snow, and airborne particles on outdoor photovoltaic solar panels (Surfaces and Interfaces, 2025)
• 95% increase in solar light absorption and power production after applying transparent superhydrophobic coatings (Department of Physics, Vivekanand College, Kolhapur, India)
• 80% reduction in time required for cleaning solar panels with the use of transparent superhydrophobic coatings (Department of Physics, Vivekanand College, Kolhapur, India)

Sources:

• A Review On Transparent Superhydrophobic Coatings for Self-cleaning Solar Cell Panels: Its Fabrication, Robustness and Industrial Implementation. Surfaces and Interfaces, 2025;70. Retrieved from Elsevier, Radarweg 29, 1043 Nx Amsterdam, Netherlands.
• NewsRx. Investigators at Department of Physics Detail Findings in Energy (A Review On Transparent Superhydrophobic Coatings for Self-cleaning Solar Cell Panels: Its Fabrication, Robustness and Industrial Implementation). Energy Weekly News. August 8, 2025; p 282.