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Nat Mater. 2006 Dec;5(12):987-94. Epub 2006 Nov 26.

Shape-engineerable and highly densely packed single-walled carbon nanotubes and their application as super-capacitor electrodes.

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Research Center for Advanced Carbon Materials, Tsukuba 305-8565, Japan.


We present a rational and general method to fabricate a high-densely packed and aligned single-walled carbon-nanotube (SWNT) material by using the zipping effect of liquids to draw tubes together. This bulk carbon-nanotube material retains the intrinsic properties of individual SWNTs, such as high surface area, flexibility and electrical conductivity. By controlling the fabrication process, it is possible to fabricate a wide range of solids in numerous shapes and structures. This dense SWNT material is advantageous for numerous applications, and here we demonstrate its use as flexible heaters as well as supercapacitor electrodes for compact energy-storage devices.


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