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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Direct Growth of Graphene on Insulator Using Liquid Precursor Via an Intermediate Nanostructured State Carbon Nanotube

Fig. 1

SEM images of carbon-based nanostructures directly grown on silica at 1100 °C for growth time of a 5 min, b 10 min, c 15 min, and d 60 min. eh Their respective Raman spectra in the frequency range 1200 to 2800 cm−1. The Raman features in the frequency range 50–300 cm−1 are illustrated as insets in eh. G band splitting in f around 1560 cm−1 marked as asterisk and the presence of the RBM peak near 150 cm−1 indicates the formation of SWCNT

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