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Purification of carbon nanotubes using agarose column and density gradient ultracentrifugation
Purification of carbon nanotubes using agarose column and density gradient ultracentrifugation
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机译:琼脂糖柱和密度梯度超速离心法纯化碳纳米管
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摘要
A method of processing bundles of carbon nanotubes (CNTs). Bundles of CNTs are put into a solution and unbundled using sonication and one or more surfactants that break apart and disperse at least some of the bundles into the solution such that it contains individual semiconducting CNTs, individual metallic CNTs, and remaining CNT bundles. The individual CNTs are separated from each other using agarose bead column separation using sodium dodecyl sulfate as a surfactant. Remaining CNT bundles are then separated out by performing density-gradient ultracentrifugation.
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