The main usage for solar silicon found in a solar cell is to change the light into electricity. Solar energy is being used more and more as it is renewable energy source and does not cost anything in order to use. You also do not produce any harmful emissions when converting sunlight into energy and you will quickly recover the investment you made when using solar power.
Most of the new homes and buildings being designed use some sort of solar energy and you can even purchase solar cells that look like shingles and side panels. Besides not having to worry about paying an electric bill you also will receive the savings in the form of a tax rebate. These rebates will differ depending on the state you reside.
Much of the current work in solar energy is looking into creating high efficiency cells. So you get the maximum conversion between sunlight and watts produced. The best types of semiconductors are monocrystalline solar cells though this only has a conversion rate of about 30%. You also will get a complete return on your investment within a year or two depending on the size of your solar system.
The best types of surfaces for high efficiency are monocrystalline silicon. In general you can expect to get your original investment back within one to two years.
The solar silicon is what creates the electric field and three different things can occur when the light hits the silicon; the light can be absorbed in to the silicon, it can be reflected off the silicon or it can pass through the silicon. What is desired is for the light to be absorbed by the silicon. The light causes electrons to move and be channeled which produces a current and electric field.
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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