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Solar panels

In a nutshell, solar panels are a group of cells packaged together in a single frame. Sometimes solar panels are referred to as photovoltaic or PV cells. “Photo” means light and “voltaic” means electricity.

These solar panels are made from semiconductors that transport energy. Many of these semiconductors are made from silicon. Solar panels begin to create energy when they are struck by the light from the sun.

The electrons that cover these panels are knocked loose when struck by sunlight. Thanks to the movement of the electrons, they are able to produce an electrical reaction. The process of these electrons moving around is what is referred to as a current.

In order to use this current to create energy, metal contacts need to be placed on the top and the bottom of the solar panels. If these contacts are not on both sides, there is less of a chance that the energy will be harnessed.

Solar panels are most effective when they are made with silicon that features certain impurities. If there are no defects, some of the electrons located within the silicon could remove themselves from the bonds that hold them and depart from the atoms. This would result in a hole being created, which would, in turn, alter the overall effectiveness of the solar panels.

Even though pure and impure silicon on solar panels work in some of the same ways, it takes less energy for impure silicon to create energy than it takes for pure silicon. This means that the solar panels with impure silicon are more energy efficient.