<http://webisa.webdatacommons.org/292041528>	<http://www.w3.org/ns/prov#value>	"In addition, because of the low weight of the paper or plastic substrate compared to conventional glass or other materials, ??we think we can fabricate scalable solar cells that can reach record-high watts-per-kilogram performance." .
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<http://webisa.webdatacommons.org/292041528>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
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