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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Preparation and Transport Performances of High-Density, Aligned Carbon Nanotube Membranes

Fig. 1

Characterization of the CNT arrays. a Cross-sectional SEM image of the VACNT array with 1 mm in thickness. b SEM image of the VACNT array surface under high-resolution magnification. c, d Cross-sectional SEM images of VACNT arrays before and after rolling down, respectively. e A representative TEM image for the determination of the CNT diameter, showing an inner diameter of about 5 nm. f Raman spectra of the VACNT membrane before and after rolling down

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