About: http://webisa.webdatacommons.org/224866539

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 cathode 424 placed on the organic compound layer 423 is made of a material including magnesium (Mg), lithium (Li), or calcium (Ca) each having a low work function.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au