The photoelectric effect occurs when a compatible object exposed to a light source absorbs the light and then generates minute electrical currents.
Initially discovered in 1839 by French physicist Edmund Bequerel, Albert Einstein defined this relationship and the basis of photovoltaic design.
Bell Laboratories built the first solar unit in 1954, but utilizing the information on a larger scale was not introduced in the U.S. until the 1960’s where it surfaced in the space program arena.
It became increasingly popular as an efficient energy source in the 1970’s when other power sources were unstable. Solar panels are progressively becoming utilized as an efficient energy supply.
So, how does solar electricity work? Photovoltaic, or solar cells, are objects that can absorb light. They are constructed with substances like silicon, and when light hits them it makes the electrons in an enclosed semiconductor become loose. This helps arrange an electrical field within the positive and negative areas containing conductors, which can seize the electrons and force them into an electrical current. The electrical current that is produced can be employed as electricity.
In order to increase the solar power, you need to up the number of solar cells to absorb more sun, which therefore produces more usable electricity. Reliant on sun power, having more than one cell linked to another creates a solar module that can produce a specific voltage. Modules can be connected to achieve the desired amount of power making a solar arrangement capable of yielding electricity.
To produce a more powerful current, because the photovoltaic response is only as strong as the range of the sun’s rays over the material used to absorb light, additional cells with increased connections need to be used. Piles of cells are placed on each other to trap light, starting with the top section then distributing it throughout, creating workable energy.
Understanding the basics solar panel construction helps comprehend how solar power works and how it can be applied for electrical use.
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