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. 2018 May 4;4(5):eaap9264. doi: 10.1126/sciadv.aap9264

Fig. 2. SEM images, length distribution, and Raman spectra of the SWCNTs.

Fig. 2

(A and B) SEM images of SWCNT networks on SiO2/Si wafers transferred from filter membranes with collection times of 10 min and 5 s, respectively. Scale bars, 0.5 μm (A) and 10 μm (B). (C) Length distribution of the SWCNTs measured by SEM. (D) RBM mode Raman spectra of the SWCNTs excited by 532-, 633-, and 785-nm lasers.