Assertion: solar cell's electron | /r/HasProperty | knocked free
Facets:
value: from their atoms
type: OTHER
value: by sunlight
type: CAUSE
Source sentences:
text: Known as the “photovoltaic effect”, flowing electrons that have been knocked free by sunlight are the basis of the electricity generated from solar panels.
text: When photons (energy particles) from the sun hit semiconducting materials such as silicon, electrons are knocked free from their atoms.