Revealing Topography Evolution of Glass Surface under Air Pollution by Atomic Force Microscope

Figure 3

Schematics showing contaminant deposition on the glass surfaces in Internet cafes with exposure time. (a) Original glass surface, (b) initial aggregation of pollutant particles, (c) pollutant particle growth and interparticle deposition, and (d) full coverage.

(a)

(b)

(c)

(d)