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Purification of carbon nanotubes

New Method of Purification of Carbon Nanotubes Based on Hydrogen Treatment... [Pg.549]

Various oxidative processes used for the purification of carbon nanotubes such as refluxing in acid, sonication in sulfuric and nitric acid (3 1) solution, and treatment with... [Pg.5981]

In situ Raman spectroscopy during heating in a controlled environment allows for a time-resolved investigation of the oxidation kinetics of carbon nanomaterials and can identify changes in material structure and composition during oxidation. In this chapter, we describe the application of in situ Raman spectroscopy to determine conditions for selective oxidation and purification of carbon nanotubes (CNT) and nanodiamond (ND). [Pg.291]

Preparation and purification of carbon nanotubes involve complicated and expensive processes, which leads to high cost of carbon nanotubes ... [Pg.2834]

Yamamoto K, AMta S, Nakayama Y (1998) Orientation and purification of carbon nanotubes using ac electrophoresis. J Phys D Appl Phys 3LL34-L36... [Pg.224]

Besides the removal of foreign material, there is another crucial aspect in the purification of carbon nanotubes. Tkny of the procedures presented in Sections... [Pg.171]

Usually a combination of different and, possibly, complementary methods is employed for the purification of carbon nanotubes. A typical flow diagram of a routine procedure is shown in Figure 3.37. It comprises several filtration and centrifugation steps, which confers particular significance to the quality of the filter material and to the performance of centrifugation and subsequent decantation. Decanting the supernatant in particular requires much experience. Inappropriate performance may lead to irreproducible results and a marked decrease in sample quahty. [Pg.173]

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Production and Purification of Carbon Nanotubes

Purification carbon nanotubes

Synthesis and Purification of Carbon Nanotubes

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