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Photovoltaics - IPHT Jena

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- 18 -<br />

Fig. 4.2: First Brillouin zone of diamond lattice<br />

Table. 4.1: Band gaps of semiconductors (at room temperature)<br />

Si a-Si GaAs CdTe CuInSe2<br />

E g/eV<br />

1,12 1,6...1,7 1,43 1,43 1,05<br />

Fig. 4.3: Band structure of Si [Enderlein]<br />

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

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