Imagine a source of energy that is infinitely renewable, nonpolluting, lasts indefinitely, has a low maintenance and operating cost, and could, in principle, be able to satisfy almost all of the energy needs of the world. Such a source is represented by devices that convert solar energy directly into electrical energy. These are called photovoltaics.
KeywordsSilicon Atom Crystalline Silicon Photovoltaic Device Photovoltaic Cell Positive Hole
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