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New Generation Silicon Solar Cells

4.4 Efficiency values

New Generation Silicon Solar Cells

Material

η  (laboratory)

η  (produktion)

Monocrystalline

24,7

14,0 – 18,0

Polycrystalline

19,8

13,0 – 15,5

Amorphous

13,0

8,0

Material

Crystalline  order

Thickness

Wafer

Monocrystalline

One ideal lattice

50μm - 300μm

One single crystall

Polycristalline

Many small crystalls

50μm - 300μm

grain (0,1mm – Xcm)

Amorphous

No crystalline order;

Groups of some regularly bound atoms

< 1μm

No wafer

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