How the Photovoltaic cell works



We have Albert Einstein to thank for a great many things. More than most
people realize, and the photo (light) voltaic (electricity) cell, or the
means by which we can convert light into electricity, is one of them.

There are silicon (an element found in sand) sheets in the photovoltaic
cells and when sunlight passes through them the light is absorbed and the
energy of the photons transfers to the semiconductor, freeing the
electrons, and producing electricity. This is also known as the
“Photo-voltaic Effect”.

The PV effect was first discovered in 1954 when scientists at Bell
Telephone discovered that silicon created an electric charge when exposed
to sunlight. After this, Solar cells began being used by space satellite
programs, then, as new and cheaper ways to produce silicon were designed,
solar powered devices started popping up all over in forms of calculators,
watches, panels, lighting systems, and for just about anything that needed
electricity.

The trick with solar panels on homes is in placing the panels side by side,
each one producing more and more electricity until you have enough to
supply 50 -75 percent of your energy needs in the home, free, with the help
of the sun, of course, and that’s something to consider as electricity and
gas are skyrocketing and are likely to continue without any foreseeable end
in sight. Today there are many incentives to buying solar panels for your
homes and businesses.

Check with your local Solar power companies to find out what incentives are
available in your area, you may be surprised to find how much you can save
now, and in the future - it really is a win-win situation, for everyone.

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