Surface EnergyTension

1
Surface Energy/Tension
Bulk FCC Crystal CN12
100 FCC Crystal CNs8 gt 4 in layer 1 and 4 in
layer 2 CNbulk-CNs4 bonds broken
110 FCC Crystal CNs7 gt 2 in layer 1 4 in
layer 2 and 1 in layer 3 CNbulk-CNs5 bonds broken
111 FCC Crystal CNs79 gt6 in layer 1 and 3
in layer 2 CNbulk-CNs3 bonds broken
2
Kelvin Equation Solid Solubility
MmX n -gtmMy nX z-
a(mS)m(nS)n
3
Measuring Contact Angle
4
Measuring Surface Tension
5
(No Transcript)
6
Adsorption
Surfactant Surface Active Agent
Hydrophilic head
Hydrophobic tail
7
Surfactant Aggregation
8
Surfactant Aggregation