Page 52 - Carbon Nanotube Fibres and Yarns
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Carbon nanotube fibers spun directly from furnace   45



                             1500°C
                             1400°C
                             1300°C
                             1200°C
                             1150°C
                    Intensity (a.u.)












                     0              1000             2000            3000
                   (A)                  Raman shift (cm )
                                                   –1
                             1500°C
                             1400°C
                             1300°C
                             1200°C
                             1150°C
                    Intensity (a.u.)












                     0              1000             2000             3000
                   (B)                  Raman shift (cm )
                                                   –1
              Fig. 3.6  Raman spectra of samples at different temperatures: (A) 514 nm laser data nor-
              malized to the G peak; (B) 785 nm laser data normalized to the G peak. (Reproduced with
              permission from Hou G, Chauhan D, Ng V, Xu C, Yin Z, Paine M, et al. Gas phase pyrolysis
              synthesis of carbon nanotubes at high temperature. Mater. Des. 132 (2017) 112–118.)
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