Electrostatic Contribution to Line Tension in a Wedge-Shaped Contact Region

Langmuir

Volumn 19, Issue 22, 2003, Pages 9334-9342

  Kang, Kwan Hyoung ^a   Kang, In Seok ^a   Lee, Choung Mook ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

CONTACT ANGLE; ELECTROLYTES; ELECTROSTATICS; NANOTUBES; POISSON EQUATION;

LINE TENSION;

WETTING;

EID: 0242491867     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la034539x     Document Type: Article

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37. Note that the line tension is proportional to the integral of the induced (or excess) surface charge (see eqs 7 and 15b). The gradient of electrostatic potential becomes extremely large near the TCL due to the abrupt change of the electrostatic potential at the two surfaces. This will induce a large magnitude of surface charge around the TCL.