About: http://webisa.webdatacommons.org/422141793

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	systems, but also in light harvesting systems and solid state devices such as organic field-effect transistors (OFETs) and photovoltaics.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com