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Shining Light on Solar Cells - Chapter 2.2: Semiconductor Physics (Fermi-Energy Level)

The concept of Fermi-Energy Level is something that is not very easy to understand due to the many underlying mathematical equations defining it. Nevertheless, for starters, there is a very intuitive and visual approach to understanding Fermi-Energy level, by imagining electrons living in a 10 story apartment!

Fermi-Energy Level

Further reference materials that I highly recommend:

ECE Purdue Primer on Semiconductor Fundamentals 

Other parts in this series:

I'm an R&D Mechanical Engineer from Keysight Technologies. I design mechanical components that facilitate over-the-air testing equipment. I also have a strong background in photovoltaics. I love creating STEM-related content to inspire and encourage people to pursue STEM, as well as to provide career advice to fresh grads who are looking for their first job
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