It is worth mentioning that previous studies for laser-pyrolized graphenic materials estimated the crystallite sizes from the Raman D/G peak ratios using a popular model established by Cançado et al. . Compared to our values informed by WAXS, we found that the Cançado model overestimates the lateral dimension by four times (Fig. ). This is unsurprising as the semi-empirical model was developed for top-down fabricated, highly-pure nanographite samples, rather than semicrystalline materials or materials derived from precursors containing heteroatoms.