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Patterned nanorod arrays produced from hydrophobically masked templates
Anthony Y Ku1, Reed R Corderman, Lauraine Denault
1Global Research, General Electric Company, 1 Research Circle, Niskayuna, NY 12309, USA.
Journal of Nanoscience and Nanotechnology
|November 14, 2009
Summary
A new method uses UV light to selectively mask porous templates, enabling precise patterned nanorod growth. This technique allows for the creation of arrays with single or multiple metallic compositions through electrodeposition.
Area of Science:
- Materials Science
- Nanotechnology
- Surface Chemistry
Background:
- Patterned growth of nanostructures is crucial for advanced electronic and optical devices.
- Controlling surface properties of porous templates is key for achieving selective deposition.
- Existing methods for template patterning can be complex or lack precise control.
Purpose of the Study:
- To develop a simple and effective method for masking porous templates for patterned nanorod growth.
- To demonstrate the ability to create templates with spatially controlled hydrophobic and hydrophilic regions.
- To fabricate patterned metallic nanorod arrays using the developed masking technique.
Main Methods:
- Treatment of porous templates with an alkylsilane to impart hydrophobicity.
- Selective degradation of the hydrophobic coating using UV light irradiation.
- Electrodeposition of metallic compositions into the patterned hydrophilic regions of the template.
Main Results:
- Successfully created templates with both hydrophobic and hydrophilic pores.
- Demonstrated selective masking of template pores.
- Fabricated patterned nanorod arrays with single and multiple metallic compositions.
Conclusions:
- The described method provides a simple and versatile approach for patterning porous templates.
- This technique enables controlled, site-specific growth of metallic nanorods.
- The developed method has potential applications in fabricating complex nanostructured materials.
