Assertion: amorphous silicon | /r/HasProperty | a direct-bandgap material
Facets:
Source sentences:
text: Amorphous silicon is a direct-bandgap material, and therefore only require about 1% of the silicon that would`ve been used to produce a crystalline-silicon based solar cell.
text: Amorphous silicon is a direct-bandgap material, and therefore only require about 1% of the silicon that would`ve been used to produce a crystalline-silicon based solar cell.