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Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-walled Carbon Nanotubes in the Study of Thermopower Waves
Published on: April 10, 2015
Patterned forests of vertically-aligned multiwalled carbon nanotubes using metal salt catalyst solutions
David J Garrett1, Benjamin S Flavel, Keith H R Baronian
1MacDiarmid Institute for Advanced Materials and Nanotechnology, Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
Journal of Nanoscience and Nanotechnology
|May 8, 2013
Summary
A new method creates patterned multiwalled carbon nanotube (MWCNT) forests using a simple spin-coating and chemical vapor deposition process. This technique enables strong adhesion and efficient preparation of MWCNT electrodes on various substrates.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Controlled growth of carbon nanomaterials is crucial for advanced applications.
- Patterned growth of vertically aligned multiwalled carbon nanotubes (MWCNTs) offers unique structural and electronic properties.
- Existing methods for fabricating patterned MWCNT structures can be complex and costly.
Purpose of the Study:
- To develop a simple and effective method for producing patterned forests of multiwalled carbon nanotubes (MWCNTs).
- To demonstrate the versatility of the method on different substrate materials.
- To showcase the potential for creating functional MWCNT-based electrodes.
Main Methods:
- Spin-coating an aqueous metal salt solution onto a photoresist-patterned substrate.
- Selective removal of photoresist via acetone washing to leave an insoluble catalyst pattern.
- Chemical vapor deposition (CVD) for growing dense forests of vertically aligned (VA) MWCNTs on the catalyst pattern.
Main Results:
- Successfully produced patterned forests of VA-MWCNTs on both silicon and conducting graphitic carbon film substrates.
- Achieved strong adhesion of the MWCNT forests to the substrates.
- Demonstrated a straightforward approach for fabricating MWCNT electrodes directly on carbon films.
Conclusions:
- The described method provides a simple, scalable, and cost-effective way to fabricate patterned MWCNT forests.
- The technique's applicability to different substrates, including conductive carbon films, highlights its potential for device fabrication.
- This approach facilitates the development of novel MWCNT-based electrodes and other nanostructured materials.
