Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers.

Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Research Abstract Details 

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Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Abstract Text:

Manjeet S Dhindsa,Neil R Smith,Jason Heikenfeld,Philip D Rack,Jason D Fowlkes,Mitchel J Doktycz,Anatoli V Melechko,Michael L Simpson,

Reversible electrostatically induced wetting (electrowetting) of vertically aligned superhydrophobic carbon nanofibers has been investigated. Carbon nanofibers on a 5 x 5 microm pitch were grown on Si substrates, electrically insulated with a conformal dielectric, and hydrophobized with fluoropolymer. This nanostructured scaffold exhibited superhydrophobic behavior for saline (theta approximately 160 degrees). Electrowetting induced a contact angle reduction to theta approximately 100 degrees. Competitive two-liquid (dodecane/saline) electrowetting exhibited reversibility on the same nanostructured scaffold. Without applied bias, ultra-fine-point tip (approximately 25 nm radius) nanofibers result in effectively zero capacitance with the overlying saline layer. Complete electrowetting of the substrate is confirmed as capacitance values increase by several orders of magnitude with increased wetting. These results demonstrate the applicability of reversible electrowetting on nanostructured scaffolds and use of nanofabricated structures that can be integrated with various micro- and nanoelectronic technologies.

Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Publishing Authors By Initials

MS Dhindsa,NR Smith,J Heikenfeld,PD Rack,JD Fowlkes,MJ Doktycz,AV Melechko,ML Simpson,

For similar inorganic chemicals: elements: carbon: fullerenes: nanotubes, carbon research abstracts see: inorganic chemicals: elements: carbon: fullerenes: nanotubes, carbon research

PUBMED ID PMID:

MEDLINE DATE:

Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Langmuir : the ACS journal of surfaces and colloid

VOLUME: 22

Page Numbers: 9030-4

Journal Abbreviation:

ISSN: 0743-7463

DAY: 10

MONTH: Oct

YEAR: 2006

Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 9882736

Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Keywords Mesh Terms:

KEYWORDS: Nanotubes, Carbon

MESH TERMS: ultrastructure

Chemical & Substance for Abstract: Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers. Information

Substance Name: Nanotubes, Carbon

Registry Number: 0

Grant and Affiliation Information for Reversible electrowetting of vertically aligned superhydrophobic carbon nanofibers.

AFFILIATION: Novel Devices Laboratory, University of Cincinnati, Cincinnati, Ohio 45220, USA.

Country: United States

AGENCY: United States NIBIB

GRANT: EB000657

ACRONYM: EB

MEDLINETA: Langmuir

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