Carbon nanotubes stand out because they may offer the biggest potential for nanotechnology breakthroughs. One reason is that the carbon nanotubes have high thermal conductivity, the highest of any known material. A major problem or bottleneck today in electronics is the removal of excessive heat in the active region of the chip. Single-walled carbon nanotubes could solve this problem because they would not overheat. Electrons also move readily in carbon nanotubes, which makes devices switch faster.
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