ORCID Profile
0000-0002-7294-6554
Current Organisation
Nanyang Technological University
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Publisher: AIP Publishing
Date: 06-2009
DOI: 10.1063/1.3148667
Abstract: Superhydrophobic amorphous carbon/carbon nanotube nanocomposites are fabricated by plasma immersion ion implantation with carbon nanotube forests as a template. The microstructure of the fabricated nanocomposites shows arrays of carbon nanotubes capped with amorphous carbon nanoparticles. Contact angle measurements show that both advancing and receding angles close to 180° can be achieved on the nanocomposites. The fabrication here does not require patterning of carbon nanotubes or deposition of conformal coatings with low surface energy, which are usually involved in conventional approaches for superhydrophobic surfaces. The relationship between the observed superhydrophobicity and the unique microstructure of the nanocomposites is discussed.
Publisher: Elsevier BV
Date: 03-2011
Publisher: Elsevier BV
Date: 03-2012
Publisher: AIP Publishing
Date: 30-07-2007
DOI: 10.1063/1.2761233
Abstract: The authors used the plasma immersion ion implantation and deposition technique to modify polyethylene terephthalate (PET) and by using conductive atomic force microscope, the spatial distribution of ∼10nm size titanium nanoclusters embedded in PET matrices were observed. The I-V plots showed typical metal-semiconductor junction conductivity between the conductive tip and the surface. In addition, the authors also measured the temperature dependent conductivity and fitted it well to the Mott law, which implied that the conductance arose from electron hopping process. Such technique to create the surface structure of metal olymer nanocomposites may open an alternative way for plastic nanoelectronics.
Publisher: Elsevier BV
Date: 04-2011
Publisher: Elsevier BV
Date: 2009
Publisher: Inderscience Publishers
Date: 2009
Publisher: IEEE
Date: 2008
Publisher: American Chemical Society (ACS)
Date: 16-09-2009
DOI: 10.1021/NN900846P
Abstract: The possibility of effective control of the wetting properties of a nanostructured surface consisting of arrays of amorphous carbon nanoparticles capped on carbon nanotubes using the electrowetting technique is demonstrated. By analyzing the electrowetting curves with an equivalent circuit model of the solid/liquid interface, the long-standing problem of control and monitoring of the transition between the "slippy" Cassie state and the "sticky" Wenzel states is resolved. The unique structural properties of the custom-designed nanocomposites with precisely tailored surface energy without using any commonly utilized low-surface-energy (e.g., polymer) conformal coatings enable easy identification of the occurrence of such transition from the optical contrast on the nanostructured surfaces. This approach to precise control of the wetting mode transitions is generic and has an outstanding potential to enable the stable superhydrophobic capability of nanostructured surfaces for numerous applications, such as low-friction microfluidics and self-cleaning.
No related grants have been discovered for Maziar Shakerzadeh.