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A new approach to clean the surface of graphene is reported by Hailin Peng, Zhongfan Liu, and co‐workers in article number 1902978, who use a force‐engineered “lint roller” to selectively removing the graphene's intrinsic surface contaminants. The as‐obtained super‐clean graphene can be transferred to dielectric substrates with significantly reduced polymer residues, and it exhibits superior electronic...
Contamination is a major concern in surface and interface technologies. Given that graphene is a 2D monolayer material with an extremely large surface area, surface contamination may seriously degrade its intrinsic properties and strongly hinder its applicability in surface and interfacial regions. However, large‐scale and facile treatment methods for producing clean graphene films that preserve its...
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