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Selective n-Type Doping of Graphene by Photo-patterned Gold Nanoparticles

Cited 71 time in Web of Science Cited 77 time in Scopus
Authors
Huh, Sung; Park, Jaesung; Kim, Kwang S.; Hong, Byung Hee; Kim, Seung Bin
Issue Date
2011-05
Citation
ACS Nano, Vol.5 No.5, pp.3639-3644
Keywords
graphenegold nanoparticlesdopingRaman enhancementelectron transport measurement
Abstract
Selective n-type doping of graphene is developed by utilizing patternable gold nanoparticles functionalized with photoreactive cinnamate moieties. The gold nanoparticles can be regularly patterned on the graphene by UV-induced cross-linking of cinnamate, which provides a convenient method to control the optical and electrical properties of graphene site-specifically. The strong n-type doping of graphene covered with the patterned gold nanoparticles was confirmed by Raman, X-ray photoelectron spectroscopy, and electron transport measurements. We believe that our method would find numerous applications in the area of graphene-based optoelectronics including light-emitting devices, solar cells, and optical sensors.
ISSN
1936-0851
URI
https://hdl.handle.net/10371/172126
DOI
https://doi.org/10.1021/nn1035203
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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