Assertion: solar cell's electron | /r/CapableOf | cross the junction
Facets:
value: in one direction
type: MANNER
value: more easily
type: MANNER
value: between two dissimilar crystals
type: LOCATION
Source sentences:
text: Free electrons cross the junction between two dissimilar crystals more easily in one direction than in the other, giving one side of the junction a negative charge and, therefore, a negative voltage with respect to the other side, just as one electrode of a battery has a negative voltage with respect to the other.