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Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces

Babu, Deepu J. and Varanakkottu, Subramanyan Namboodiri and Eifert, Alexander and de Koning, Dirk and Cherkashinin, Gennady and Hardt, Steffen and Schneider, Joerg J. (2014):
Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces.
1, In: Advanced Materials Interfaces, (2), p. 1300049, ISSN 2196-7350, [Online-Edition: http://dx.doi.org/10.1002/admi.201300049],
[Article]

Abstract

Tunable wettability of carbon nanotube (CNT) arrays on the nanoscale is the key to move water droplets on such surfaces on a macroscopic scale. A novel type of superhydrophobic CNT surface for guided droplet transport, a key issue for future microfluidic systems, is demonstrated. It is accomplished by tailoring the required surface roughness using a process employing CNT regrowth, chemical passivation, and corona discharge.

Item Type: Article
Erschienen: 2014
Creators: Babu, Deepu J. and Varanakkottu, Subramanyan Namboodiri and Eifert, Alexander and de Koning, Dirk and Cherkashinin, Gennady and Hardt, Steffen and Schneider, Joerg J.
Title: Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces
Language: English
Abstract:

Tunable wettability of carbon nanotube (CNT) arrays on the nanoscale is the key to move water droplets on such surfaces on a macroscopic scale. A novel type of superhydrophobic CNT surface for guided droplet transport, a key issue for future microfluidic systems, is demonstrated. It is accomplished by tailoring the required surface roughness using a process employing CNT regrowth, chemical passivation, and corona discharge.

Journal or Publication Title: Advanced Materials Interfaces
Volume: 1
Number: 2
Uncontrolled Keywords: superhydrophobicity, tunable wettability, carbon nanotubes, corona discharge, interfacial droplet transport
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Surface Science
16 Department of Mechanical Engineering
DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
Exzellenzinitiative
Exzellenzinitiative > Clusters of Excellence
07 Department of Chemistry
07 Department of Chemistry > Fachgebiet Anorganische Chemie
Zentrale Einrichtungen
Exzellenzinitiative > Clusters of Excellence > Center of Smart Interfaces (CSI)
16 Department of Mechanical Engineering > Institute for Nano- and Microfluidics (NMF)
Date Deposited: 31 Jan 2014 08:22
Official URL: http://dx.doi.org/10.1002/admi.201300049
Identification Number: doi:10.1002/admi.201300049
Funders: J.J.S. and D.J.B. kindly acknowledge the support by the Deutsche Forschungsgemeinschaft (DFG) through the priority program SPP 1570, grant number SCHN 375/26-1/2, D. de K. acknowledges the funding of an summer internship through the IREP program at TU Darmstadt (group of J.J.S.)., S.N.V., A.E., and S.H. kindly acknowledge support by the DFG through the Cluster of Excellence 259., A.E. acknowledges support by the DFG, grant number HA 2696/29-1.
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