Question
Thu September 06, 2012 By: Aishwarya Pawar
 

(a)Why are Si and GaAs preferred materials for fabrication in solar cells? (b)Draw V-I characteristic of solar cell and mention its significance?

Expert Reply
Thu September 06, 2012
a)  these materials are preffered because of their lower value of energy gap. SO that they can be activated using solar radiation.
 
b) their V-I characteristics are similar to a semiconductor.
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