Increasing the doping efficiency by surface energy control for ultra-transparent graphene conductors.

Sci Rep · 2017 · PMC5567339 · PMID 28831126

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a clear trendno p-value reported

Exposure to UV-generated ozone showed a clear trend between graphene’s hydrophilicity and the amount of transferred charge which was ascribed to the formation of functional groups in the graphene basal plane.

also in 19,460 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.