Figure 5

XRD spectra of CNS prepared at 650 °C from nettle (a) stems and (b,c) leaves using NaHCO3 as activating agent. The ratio of nettle powder and NaHCO3 is 1:1 (a and b) and 1:2 (c).

XRD spectra of CNS prepared at 650 °C from nettle (a) stems and (b,c) leaves using NaHCO3 as activating agent. The ratio of nettle powder and NaHCO3 is 1:1 (a and b) and 1:2 (c).