PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (Phys.org) ???Perovskite materials are the newest contender for breaking the silicon ceiling in solar cell technology.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org