Which phenomenon reduces power conversion efficiency because increased grain boundaries in polycrystalline silicon?

💡 Explanation

Increased grain boundaries provides recombination centers, causing increased electron-hole recombination rather than increased transfer or decreased scattering; this is because grain boundaries introduce defects that act as traps, therefore efficiency diminishes rather than increases at such defects.

• Which consequence results when compressive stress aligns polymer chains during polarized film manufacturing?
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