About: http://webisa.webdatacommons.org/7861013

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The cost of many semiconductor devices, such as LEDs and solar cells, is determined to a significant extent by the cost of the material.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com