About: http://webisa.webdatacommons.org/96991676

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	However, the general vacuum methods have drawbacks such as the complexity in process and high production costs and are difficult to be made on a large scale, which need to be solved before the mass production of CIS solar cells.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com