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Graphene nanohole arrays (GNAs) were fabricated using nanoimprint lithography. The improved optical transmittance of GNAs is primarily due to the reduced surface coverage of graphene from the nanohole fabrication. Importantly, the exposed edges of the nanoholes provided effective sites for chemical doping using thionyl chloride was shown to enhance the conductance by a factor of 15–18 in contrast to only 2-4 for unpatterned graphene. GNAs can provide a unique scheme for improving both optical transmittance and electrical conductivity of graphene-based transparent conductors.
Published in:
Applied Physics Letters
(Volume:99
,
Issue:
2
)
Date of Publication: Jul 2011
- Page(s):
- 023111 - 023111-3
- ISSN :
- 0003-6951
- Digital Object Identifier :
- 10.1063/1.3610939
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 21 July 2011
- Issue Date :
- Jul 2011
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