Future of Engineering
Monday, April 7, 2008
Video of How Nanotubes and Nanofibers Form
Watch amazing footage of how nanotubes form.
A team of scientists led by the Department's Dr Stephan Hofmann have successfully produced live video footage that shows how carbon nanotubes, more than 10,000 times smaller in diameter than a human hair, form.
The video sequences show nanofibres and nanotubes nucleating around miniscule particles of nickel and are already offering greater insight into how these microscopic structures self-assemble.
These two videos show how the nickel reacts a process called catalytic chemical vapour deposition (CVD). This is one of several methods of producing nanotubes, and involves the application of a gas containing carbon (in this case acetylene) to minute crystalline droplets referred to as "catalyst islands" (the nickel).
More from here
A team of scientists led by the Department's Dr Stephan Hofmann have successfully produced live video footage that shows how carbon nanotubes, more than 10,000 times smaller in diameter than a human hair, form.
The video sequences show nanofibres and nanotubes nucleating around miniscule particles of nickel and are already offering greater insight into how these microscopic structures self-assemble.
These two videos show how the nickel reacts a process called catalytic chemical vapour deposition (CVD). This is one of several methods of producing nanotubes, and involves the application of a gas containing carbon (in this case acetylene) to minute crystalline droplets referred to as "catalyst islands" (the nickel).
More from here
Labels: Material-Sciences
PermaLink - Video of How Nanotubes and Nanofibers Form posted by Ecacofonix : 12:13 AM
