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while on the other hand quantum confinement effects can completely alter the chemical characteristics of sufficiently small nanoparticles. ...
1) Grow the nanotubes on a separate substrate, then stamp them onto the circuit. This lets the circuit stay at low temperatures. By contrast, nanotubes are single, precise molecules being assembled to build up useful larger systems. This is a lot closer to the original meaning of the word.
Sat, Dec 26 | from Responsible Nanotechnology