The Importance Of Solar Silicon In Photovoltaic Cells
The main transformer in a solar cell requires solar silicon in order to work properly. A solar energy will collect light or sunshine and convert this into electricity by producing an electric current. Solar energy is renewable and you can use solar panels to supplement your current electrical use. This saves you a lot of money while using an environmentally friendly power source.
Many people will use solar power to supplement their current electrical needs and most new houses and buildings are automatically integrating solar power into the power systems. Using solar energy is a great way to save a lot of money as well as helping the environment. Homes and businesses that use solar power also get large tax rebates.
High efficiency solar cells are those that convert the maximum amount of electricity from the light source. When using silicone the most efficient solar cells are monocrystalline. This type of cell provides and energy payback of 1 to 2 years so you will get your entire investment back quite quickly.
The solar silicon is where the energy conversion occurs and three different events can occur. The photon can reflect off the silicon, it can pass through the silicon or the silicon can absorb it. When the photon is absorbed then it excites the silicon in the semiconductor and the photon will move throughout the semiconductor where it is channelled and transformed into electricity.
The process you want for solar power is for the light to be absorbed. When light is absorbed electrons become excited and will move from an area of high concentration to low concentration which creates an energy gradient.
Traditionally it is the solar silicon that makes solar cells expensive though the cost of a solar cell as decreased dramatically. The main goal with new solar cells is to get the most electricity from the light without having the cost be very high. This is the area that most research is investigating as the highest energy conversion known to date is 35% efficiency.
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