Solar cell

Solar cells convert light into electricity by using semiconductor materials like silicon. When light strikes the silicon, it releases electrons, generating an electric current. The efficiency of these cells is improving with technological advancements, currently reaching around 30%.

What happens when light hits a film of semiconductor material?

What material is commonly used in solar cells?

How do electrons in silicon contribute to electricity generation?

In what way is the efficiency of solar cells changing over time?

What is the current efficiency of solar cells?