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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: A Green Approach for High Oxidation Resistance, Flexible Transparent Conductive Films Based on Reduced Graphene Oxide and Copper Nanowires

Fig. 2

a XRD patterns of the CuNWs before and after lactic acid treatment. The intensive peaks correspond to the (111), (200), and (220) crystal planes of the face-centered cubic structure of Cu, and no extra signals appear after the lactic acid treatment, indicating the high purity of the CuNWs. b Raman spectra of CuNWs before and after lactic acid treatment. After treatment with lactic acid, the surface HDA and oxides/hydroxides were removed

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