It bonds with its silicon neighbor atoms, but one electron is not involved in bonding. Instead, it is free to move inside the silicon structure. A solar cell consists of a layer of p-type silicon ...

Solar cells, also known as photovoltaic cells (or PV cells), use sunlight. They are often used to power small devices such as a calculator. This circuit diagram shows the same circuit, but uses ...

Coated cells developed by a team of Northwestern researchers also delivered a solar power conversion efficiency of 26 percent ...