Figure 7

(a) SEM micrograph of the soot layer on smooth glass showing an average thickness of 11.7 µm. (b) Zoomed inset of A showing soot morphology on the smooth glass with dense soot agglomerates. (c) SEM micrograph of the soot layer on sandblasted glass showing an average thickness of 5.8 µm. (d) Zoomed inset of the peak from the soot-covered sandblasted glass in (c) with sparser soot agglomerates.