About: http://webisa.webdatacommons.org/103641519

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	One of their greatest challenges, he said, is finding catalysts and other materials for efficient solar energy technology that are inexpensive and durable.
http://www.w3.org/ns/prov#wasQuotedFrom	acs.org