Assertion: solar cell's electron | /r/HasProperty | transported by diffusion
Facets:
value: due to an electron concentration gradient
type: CAUSE
value: toward the transparent conductor
type: TRANSITIVE-OBJECT
Source sentences:
text: The excited electrons of the dye enter the conduction band of the semiconductor (while the photosensitizer is oxidized) and are then transported by diffusion (due to an electron concentration gradient) toward the transparent conductor at the front side of the cell (the side facing the sunlight).