fig12

Figure 12. Typical SEM and TEM images of HC: (A) (i) Schematic of the material synthesis for CC (the graph of the debarked tree is reproduced with permission. (ii) CC-Pre-800 and (iii) CC-1600. High-resolution TEM and SAED images of (iv) CC-Pre-800, (v) CC-1200, and (vi) CC-1600^[17] (Copyright 2019, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim). (B) Preparation and structural characterizations. (i) Schematic illustration of C1600-M preparation process. (ii) HRTEM image of C800. (iii) HRTEM image of C1600. (iv) HRTEM image of C1600-M. The inset and bottom show the corresponding SAED and FFT patterns^[157] (Copyright 2020, Wiley-VCH). (C) TEM images and SAED patterns of sucrose-derived HC samples prepared at different temperatures: (i) HC700, (ii) HC900, (iii) HC1500, (iv) HC2000^[111] (Copyright 2020, American Chemical Society).