期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 13, 页码 8329-8334出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b01021
关键词
suspended graphene; block copolymer nanolithography; TiO2-covered nanopillars; selective-area photocatalysis; graphene nanomesh
资金
- Danish National Research Foundation Center for Nanostructured Graphene, CNG [DNRF103]
- Department. of Micro and Nano technology at the Technical University of Denmark
Nanostructured graphene exhibits many intriguing properties. For example, precisely controlled graphene nanomeshes can be applied in electronic, photonic, or sensing devices. However, fabrication of nanopatterned graphene with periodic supperlattice remains a challenge. In this work, periodic graphene nanomesh was fabricated by photocatalysis of single-layer graphene suspended on top of TiO2-covered nanopillars, which were produced by combining block copolymer nanolithography with atomic layer deposition. Graphene nanoribbons were also prepared by the same method applied to a line-forming block copolymer template. This mask-free and nonchemical/nonplasma route offers an exciting platform for nanopatterning of graphene and other UV-transparent materials for device engineering.
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