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Photovoltaics - IPHT Jena

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- 26 -<br />

Table 4.5: Debye length in instrinsic semiconductors at 300 K<br />

semiconductor Si GaAs<br />

-3<br />

l D/cm<br />

1,15�10 0,116<br />

Fig. 4.19: Band bending near the surface of an intrinsic semiconductor due to surface charges<br />

4 Semiconductors I: Equilibrium F. Falk, <strong>Photovoltaics</strong> WS 2010/11

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