Assertion: solar cell's efficiency | /r/HasProperty | material
Facets:
value: at 35.8%
type: OTHER
value: by sharp corporation
type: OTHER
Source sentences:
text: The highest efficiencies achieved without concentration include a material by Sharp Corporation at 35.8% using a proprietary triple-junction manufacturing technology in 2009, and Boeing Spectrolab (40.7% also using a triple-layer design).