Every solar cell is based on a very fundamental physical principle which involves interaction between light and electrons. The light (or photons – small packages of light energy) is of course coming from the Sun, and the electrons are present in the material out of which the solar cell is built. The photons come...
Posts Tagged ‘ electrons ’
Introduction into Semiconductors
Everybody has heard of silicon, Si, which is an elemental semiconductor. That means that the semiconductor crystal is made out of many atoms of the element Si. No other element is needed, but the atoms within the crystal are required to follow a special pattern, and form the so called, tetrahedral arrangements. One silicon...
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