Assertion: solar cell's film | /r/HasProperty | transparent thin
Facets:
Source sentences:
text: Many new solar cells use transparent thin films that are also conductors of electrical charge.
text: The dominant conductive thin films used in research now are transparent conductive oxides (abbreviated "TCO"), and include fluorine-doped tin oxide (SnO 2 :F, or "FTO"), doped zinc oxide (e.g.: ZnO:Al), and indium tin oxide (abbreviated "ITO").