NanotubesNanotubes

By: Mariela RodriguezBy: Mariela Rodriguez

NanotubesNanotubes

Definition: A flat layer of graphite rolled Definition: A flat layer of graphite rolled into a tube.into a tube.

Physicist Alex Zettl, shown here with a model of a carbon nanotube

NanotubesNanotubesClassification:Classification:– Configuration:Configuration:

– ArmchairArmchair– ZigzagZigzag– ChiralChiral

– Number of layers:Number of layers:– Single-walled Single-walled

nanotubesnanotubes

– Multi-walled Multi-walled nanotubesnanotubes

NanotubesNanotubes

Properties:Properties:

– Tensile Strength Tensile Strength -Functionalization-Functionalization– ElasticityElasticity -Luminescence-Luminescence– DensityDensity -Self- assembly-Self- assembly– Thermal conductionThermal conduction -Chemically inert-Chemically inert– Electrical conductionElectrical conduction

NanotubesNanotubesApplications:Applications:

NanotubesNanotubes

Other Applications:Other Applications:– Electrical fieldElectrical field– Reinforce Composites.Reinforce Composites.– Fuel CellsFuel Cells

NanotubesNanotubesReferences:References:– http://www.lbl.gov/Science-Articles/Research-http://www.lbl.gov/Science-Articles/Research-

Review/Magazine/2001/Fall/features/Review/Magazine/2001/Fall/features/02Nanotubes.html 02Nanotubes.html

– http://news.comhttp://news.com– Ratner, Mark. Nanotechnology: Agentle Ratner, Mark. Nanotechnology: Agentle

introduction to the next big idea. Upper introduction to the next big idea. Upper Saddle River, NJ 07458. Prentice Hall,2005.Saddle River, NJ 07458. Prentice Hall,2005.

– www.www.nanonano..govgov– www.nanotech-now.comwww.nanotech-now.com