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Title: Influence of nanoscale geometry on the dynamics of wicking into a rough surface
Authors: Quan Lai, C.
Thi Mai, T.
Zheng, H.
Lee, P.S. 
Leong, K.C.
Lee, C. 
Choi, W.K. 
Issue Date: 4-Feb-2013
Citation: Quan Lai, C., Thi Mai, T., Zheng, H., Lee, P.S., Leong, K.C., Lee, C., Choi, W.K. (2013-02-04). Influence of nanoscale geometry on the dynamics of wicking into a rough surface. Applied Physics Letters 102 (5) : -. ScholarBank@NUS Repository.
Abstract: The dynamics of imbibition into the roughness of a surface was investigated with hexagonal arrays of anisotropic nanofins fabricated with interference lithography and metal assisted chemical etching. It was found that viscous drag caused by the nanofins is similar to that caused by open nano-channels of equal length and height containing the same volume of liquid. In addition, the energy dissipated by form drag for a given driving pressure was determined to be directly proportional to the volume of fluid between nanofin planes that are flat and normal to the imbibition direction. © 2013 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4790183
Appears in Collections:Staff Publications

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