What does "Self-cleaning" mean?

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Self-cleaning refers to the ability of a surface to clean itself with little to no effort. This concept is often found in materials designed to repel dirt, dust, and stains. These surfaces make use of special properties that allow them to break down grime and wash it away when exposed to water or light.

In the context of certain technologies, like solar panels, self-cleaning features help maintain the performance of the device by keeping the surface clean. This is important because dirt and dust can block sunlight, reducing energy production. By using materials that can effectively clean themselves, solar panels can work better and last longer, ultimately supporting the use of renewable energy.

Self-cleaning surfaces can be made using various techniques, including coatings that create a hydrophobic effect, causing water to bead up and roll away dirt. This innovation not only improves functionality but also reduces the need for manual cleaning, saving time and resources.