Assertion: solar cell's use | /r/CapableOf | obtain 18.6% efficient tandem cell
Facets:
value: respectively
type: MANNER
Source sentences:
text: Using a four terminal configuration in which the two sub-cells are electrically isolated, Bailie et al. obtained a 17% and 18.6% efficient tandem cell with mc-Si (η ~ 11%) and copper indium gallium selenide (CIGS, η ~ 17%) bottom cells, respectively.