Heteroepitaxial growth of SiGe on Si by LPE for high efficiency solar cells

Heteroepitaxy SiGe on Si by liquid phase epitaxy (LPE) is a potential material for photovoltaic application. The Si
_0.05
Ge
_0.95
solar cell with an energy gap of 0.72 eV can lead to a 7 percentage point increase in the Si-based multi-bandgap system or any multi-bandgap system that contains Si as the 1.1 eV solar cell. In this initial work we report first growth Si
_x
Ge
_1-x
with 0.5