Technology

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60th anniversary of modern solar cell

This entry was posted in Technology on April 23, 2014 by Khalid Grant

  In April 1954, the modern solar cell was born. We’ve come a long way in 60 years and we’re only just at the beginning. Take a trip back in time and watch some archived footage of solar power history. [Note: phosphorus is now used instead of arsenic; and the production of solar panels is … Continue reading →

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How do solar photovoltaics (PV) actually work?

This entry was posted in Technology and tagged how it works solar cell on December 7, 2013 by Khalid Grant

Here is a simple explanation of how a solar PV cell works. When sunlight shines on a solar panel some of the energy is absorbed by the semiconductor material. One layer of the solar cell consists of silicon mixed with boron which gives it a positive charge (p-type). Another layer consists of silicon mixed with … Continue reading →

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