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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: Synthesis of Large-Area Single-Layer Graphene Using Refined Cooking Palm Oil on Copper Substrate by Spray Injector-Assisted CVD

Fig. 6

Single Raman spectrum for the sample grown at temperatures of a 900 °C and b 950 °C. Raman mapping images of sample grown on Cu substrate at temperature of 950 °C for c I2D/IG, d ID/IG, and e FWHM value of 2D band. Also, the histograms to indicate the distribution percentage of the intensity ratio, f I2D/IG, g ID/IG, and h FWHM value of 2D band. A distance between nozzle and substrate is 1 cm

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