PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphene is a 2D material with a honeycomb lattice structure made of sp2 bonded carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov