deletions | additions       diff --git a/CdTe_PVs_have_several_features__.md b/CdTe_PVs_have_several_features__.md  index 26737b6..0430cc4 100644  --- a/CdTe_PVs_have_several_features__.md  +++ b/CdTe_PVs_have_several_features__.md 
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* The cell is produced from polycrystalline materials and glass, which is a potentially much cheaper construction than bulk silicon.  *The chemical and physical properties of the semiconductors are such that the polysilicon thin-films can be deposited using a variety of different techniques (see below).  * CdTe has a bandgap which is very close to the theoretically-calculated optimum value for solar cells under unconcentrated AM1.5 sunlight.  * CdTe has a high absorption coefficient ($\alpha ( \( \alpha  > 10^{-5}$) 10^{-5}$ \) )  , approximately 99% of the incident light is absorbed by a layer thickness of only 2µm, cutting down on materials cost.