The history of photovoltaic solar cells were made first in 1954 (2497) by Zappa spin (Chapin) Fuller (Fuller) and Pearson (Pearson. ) of Bell Mountain Village Phone (Bell Telephon) by the three of you have discovered this technology to create a p - n (PN), a new method of diffusion into the crystal of silicon. It was the world's first solar cell. Only 6% efficiency solar cell, which is now being developed into a more efficient and 15% in the first solar cell is mainly used for space projects. Satellite or spacecraft sent from Earth to orbit in space. It uses solar panels as a power source. Later, with the introduction of the solar panels used on Earth as today. In the early solar Most are gray and black. Now it has developed a solar cell with different color such as red, blue, green, gold, etc., so beautiful.
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