Chemistry Seminar: Manipulation of Carbon Nanotube Direction Utilizing Magnetic Fields
Manipulation of Carbon Nanotube Direction Utilizing Magnetic Fields: Studying the Effect of Novel Growth Mechanisms on Carbon Nanotubes
Rees Folaron
Materials Science and Engineering MS Candidate
School of Chemistry and Materials Science, RIT
Mr. Folaron will discuss research manipulating Carbon Nanotube growth via a magnetic field, making carbon nanotubes longer and straighter and fundamentally more useful in uses such as nano-fibers and composites.
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Abstract:
Carbon nanotubes are nano-scale cylindrical structures consisting of monolayer carbon atoms arranged in a hexagonal lattice rolled into tubes and are known to be ultra-high strength, low weight material that possess highly conductive electrical and thermal properties making them useful as transistors, electrodes, enhanced composites, and more. However, CNTs can only be grown to relatively short lengths before the cylindrical nature begins to break down and they curve back in on themselves. This project focuses on accurately simulating the interaction between carbon nanotubes and a nickel catalyst using molecular dynamics and an AIREBO/Morse hybrid potential. An important goal of this thesis project is to demonstrate that an applied magnetic field can manipulate carbon nanotubes. To achieve this goal, initial work primarily focused on the deformation of carbon nanotubes under tensile stress. Later, via the presence of nickel catalyst, the effect of an applied force due to magnetic field during the growth process on the length and straightness of carbon nanotubes was studied. It is uncovered that CNT growth can be manipulated by a magnetic field, thereby making carbon nanotubes longer and straighter and fundamentally more useful in uses such as nano-fibers and composites.
Speaker Bio:
Rees is a graduate student in the Materials Science department with a bachelor of science of Physics. His research is about novel carbon nanotube synthesization by applying a magnetic field to chemical vapor deposition and stems from a desire to see the versatile material reach its potential as a nanofiber in modern technology. In the future, he hopes to pursue his research and its effect in the aerospace industry, with the long-term goal of becoming an astronaut.
Intended Audience:
Undergraduates, graduates, and experts. Those with interest in the topic.
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