Controlled Decoration of Carbon Nanotubes
- 技術優勢
- Suitable for assembly of a variety of nanoparticles including semiconductors, metallic particles, and insulators Not limited by surface chemistry Capable of combining different types of nanoparticles into a single assembly Rapid production of assemblies in gaseous, ambient pressure process Eliminates clumping problems often associated with aqueous techniques Suitable for vertically-aligned carbon nanotubes which cannot be assembled using aqueous, chemical techniques Suitable for single-wall or multiwalled carbon nanotubes Does not affect the underlying properties of the carbon nanotubes
- 詳細技術說明
- This innovative technology for assembling nanoparticles onto carbon nanotubes developed at the University of Wisconsin-Milwaukee is available for commercialization.
- *Abstract
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Carbon nanotubes are an important material which can enable a wide range of new technologies, such as advanced sensors and devices. Realizing these devices often requires combining carbon nanotubes with other materials to tailor their properties. This technology, controlled decoration of carbon nanotubes, provides a method for assembling a wide variety of nanoparticles onto carbon nanotubes in the gas phase. The technology is suitable for semiconductors, metallic particles and insulating materials.
Most techniques for assembling nanoparticles onto carbon nanotubes rely on chemical reactions in aqueous solutions. This greatly limits the types of nanoparticles which can be assembled as well as precluding combinations of multiple types of nanoparticles. Wet chemistry methods are material dependent; each type of particle requires a different chemistry which drives the cost and complexity of manufacturing these materials. Some particles simply can’t be assembled using these techniques if the appropriate chemical pathways cannot be designed.
Aqueous methods for assembling nanoparticles onto carbon nanotubes are also slow, sometimes requiring many days to complete. They may cause the nanotubes to clump together making them less suitable for particular applications. Furthermore, aqueous techniques cannot be used for verticallyaligned carbon nanotubes.
This aerosol technique operates in the gas phase at ambient pressure and uses electrostatic forces to assemble nanoparticles onto carbon nanotubes. It is suitable for a wide variety of particles (not limited by specific chemical reactions) and can also be used to assemble multiple types of nanoparticles together in a single assembly of carbon nanotubes. The simplicity of this technique can speed production of these materials and significantly lower production costs. Unlike chemical processes which can degrade the electron transport properties of carbon nanotubes, this process does not alter the underlying material properties.
- *IP Issue Date
- None
- *IP Type
- Download
- *Principal Investigation
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Name: Junhong Chen, Professor
Department:
Name: Ganhua Lu
Department:
- 申請號碼
- Non-Confidential Summary
- 國家/地區
- 美國
