MIT 2.627 Fundamentals of Photovoltaics, Fall 2011
View the complete course: http://ocw.mit.edu/2-627F11
Instructor: Joe Sullivan
This video shows how solar cell efficiency is improved by wet etching the silicon wafer surface into microscopic "pyramids," so that more incident light is trapped within in the cell rather than reflected back into the air.
License: Creative Commons BY-NC-SA
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