Flow-induced voltage generation over monolayer graphene in the presence of herringbone grooves

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While flow-induced voltage over a graphene layer has been reported, its origin remains unclear. In our previous study, we suggested different mechanisms for different experimental configurations: phonon dragging effect for the parallel alignment and an enhanced out-of-plane phonon mode for the perpendicular alignment (Appl. Phys. Lett. 102:063116, 2011). In order to further examine the origin of flow-induced voltage, we introduced a transverse flow component by integrating staggered herringbone grooves in the microchannel. We found that the flow-induced voltage decreased significantly in the presence of herringbone grooves in both parallel and perpendicular alignments. These results support our previous interpretation.
Publisher
SPRINGER
Issue Date
2013-11
Language
English
Article Type
Article
Keywords

HARVESTING ENERGY; WATER-FLOW; LARGE-AREA; FILMS; MIXER

Citation

NANOSCALE RESEARCH LETTERS, v.8

ISSN
1556-276X
DOI
10.1186/1556-276X-8-487
URI
http://hdl.handle.net/10203/187125
Appears in Collection
EEW-Journal Papers(저널논문)ME-Journal Papers(저널논문)
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