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. 2022 Nov 14;27(22):7840. doi: 10.3390/molecules27227840

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Structural characterization of different GO and rGO films. (a–c): FESEM images of the cross-section of L/SGO (3:1), SGO, and LGO films, respectively. (d) Bar chart plot of cross-sectional film thickness for various GO. (e–g): FESEM images of the cross-section of r-L/SGO (3:1 w/w), r-SGO, and r-LGO films, respectively. (h) Bar chart plot of cross-sectional film thickness for various rGO. (i) XRD spectra of various GO films. (j) XRD spectra of various rGO films. (k) Raman spectra 2D band of various rGOs. The error bars represent SEM with n = 3. All rGO films ware prepared use HI acid as reductant. A comparative study using L-ascorbic acid reductant was shown in Figure S5.