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11 April 2007 Autonomous multifunctional nanobrushes-autonomous materials
Mehrdad N. Ghasemi-Nejhad, Marcus A. Tius
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Proceedings Volume 6528, Nanosensors, Microsensors, and Biosensors and Systems 2007; 652806 (2007) https://doi.org/10.1117/12.716227
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States
Abstract
In this work, taking advantage of carbon nanotubes' small size, and exceptional mechanical, chemical and electrical properties, we report on a series of nano-synthesis procedures that combine conventional chemical vapor deposition and selective substrate area growth followed by chemical functionalizations to fabricate functionalized nano-brushes from aligned carbon nanotube arrays and chemically selective functional groups. The high aspect ratio and small dimension, mechanical stability and flexibility, surface chemical and adhesive characteristics of carbon nanotubes provide opportunities to create nano-brushes with selected chemical functionalities. The nano-brushes are made from aligned multi-walled carbon nanotube bristles grafted onto long SiC fiber handles in various configurations and functionalized with various chemical functional groups. These nano-brushes can easily be manipulated physically, either manually or with the aid of motors. Here, we explain the autonomous characteristics of the functionalized nano-brushes employing functional chemical groups such that the nano-brush can potentially collect various metal particles, ions, and contaminants from liquid solutions and the air environment, autonomously. These functionalized multiwalled carbon nanotube based nano-brushes can work swiftly in both liquid and air environments. With surface modification and functionalization, the nanotube nano-brushes can potentially become a versatile nano-devices in many chemical and biological applications, where they can autonomously pick up the particles they encounter since they can be chemically programmed to function as Autonomous Chemical Nano Robots (ACNR).
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Mehrdad N. Ghasemi-Nejhad and Marcus A. Tius "Autonomous multifunctional nanobrushes-autonomous materials", Proc. SPIE 6528, Nanosensors, Microsensors, and Biosensors and Systems 2007, 652806 (11 April 2007); https://doi.org/10.1117/12.716227
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Cited by 2 scholarly publications.
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KEYWORDS
Carbon nanotubes
Ions
Silver
Adsorption
Metals
Chemical vapor deposition
Liquids
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