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The researchers attributed the improved sensibility to various factors related to the application of platinum to the multi-walled nanotubes. Most importantly, the platinum nanoparticles created a larger electro-active surface area on the carbon nanotubes. Xie said the larger surf...
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