Research Article
Analysis of Si/SiGe Heterostructure Solar Cell
Table 1
SiGe parameters at different mole fraction.
| Materials | Properties | Si |
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| Ge |
| Dielectric constant () | 11.9 | 12.31 | 12.72 | 13.13 | 16 | (m2/s) | | | | | | (m2/s) | | | | | | Energy gap (ev) | 1.12 | 1.074 | 1.028 | 0.982 | 0.66 | Effective density of states in valence band, (cm−3) | | | | | | Effective density of states in conduction band, (cm−3) | | | | | | Intrinsic carrier concentration () (cm−3) | | | | | |
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