Assertion: solar panel's voltage | /r/HasProperty | metal valence bands
Facets:
Source sentences:
text: Band diagram of a solar cell, corresponding to very low current (horizontal Fermi level ), very low voltage (metal valence bands at same height), and therefore very low illumination
text: Band diagram of a silicon solar cell, corresponding to very low current (horizontal Fermi level ), very low voltage (metal valence bands at same height), and therefore very low illumination