How electrostatic fields change contact angle in electrowetting

Langmuir

Volumn 18, Issue 26, 2002, Pages 10318-10322

  Kang, Kwan Hyoung ^a  

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

Author keywords

[No Author keywords available]

Indexed keywords

CONTACT ANGLE SATURATION PHENOMENON; DROPLET; ELECTROWETTING; INTERFACTIAL TENSION; MACROSCOPIC BALANCE CONDITION; MAXWELL STRESS;

CONTACT ANGLE; DIELECTRIC FILMS; ELECTROSTATICS; INTERFACES (MATERIALS); PHASE COMPOSITION; SATURATION (MATERIALS COMPOSITION); STRESSES; SURFACE TENSION; THICKNESS MEASUREMENT;

WETTING;

EID: 0037168717     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la0263615     Document Type: Article

References (22)

1. Prins, M. W. J.; Welters, W. J. J.; Weekamp, J. W. Fluid control in multichannel structures by electrocapillary pressure. Science 2001, 291, 277-280.
2. Lee, J.; Moon, H.; Fowler, J.; Schoellhammer, T.; Kim, C.-J. Electrowetting and electrowetting-on-dielectric for microscale liquid handling. Sens. Actuators 2002, 95, 259-268.
3. Berge, B.; Peseux, J. Variable focal lens controlled by an external voltage: An application of electrowetting. Eur. Phys. J. 2000, E3, 159-163.
4. Pollack, M. G.; Fair, R. B.; Shenderov, A. D. Appl. Phys. Lett. 2000, 77, 1725-1726.
5. Blake, T. D.; Clarke, A.; Stattersfield, E. H. An investigating of electrostatic assist in dynamic wetting. Langmuir 2000, 16, 2928-2935.
6. Quillit, C.; Berge, B. Electrowetting: a recent outbreak. Curr. Opin. Colloid Interface Sci. 2001, 6, 34-39.
7. Vallet, M.; Vallade, M.; Berge, B. Limiting phenomena for the spreading of water on polymer films by electrowetting. Eur. Phys. J. 1999, B11, 583-591.
8. Verheijen, H. J. J.; Prins, M. W. J. Reversible electrowetting and trapping of charge: model and experiments. Langmuir 1999, 15, 6616-6620.
9. Welters, M. J. J.; Fokkink, L. G. J. Fast electrically switchable capillary effects. Langmuir 1998, 14, 1535-1538.
10. Peykov, V.; Quinn, A.; Ralston, J. Electrowetting: a model for contact-angle saturation. Colloid Polym. Sci. 2000, 278, 789-793.
11. Digilov, R. Charge-induced modification of contact angle: the secondary electrocapillary effect. Langmuir 2000, 16, 6719-6723.
12. Jones, T. B. On the relationship of dielectrophoresis and electrowetting. Langmuir 2002, 18, 4437-4443.
13. Janocha, B.; Bauser, H.; Oehr, C.; Brunner, H.; Göpel, W. Competitive electrowetting of polymer surfaces by water and decane. Langmuir 2000, 16, 3349-3354.
14. Seyrat, E.; Hayes, R. A. Amorphous fluoropolymers as insulators for reversible low-voltage electrowetting. J. Appl. Phys. 2001, 90, 1383-1386.
15. Sondag-Huethorst, J. A.M.; Fokkink, L. G. J. Potential-dependent wetting of octadecanethiol-modified polycrystalline gold electrodes. Langmuir 1992, 8, 2560-2566.
16. Sondag-Huethorst, J. A. M.; Fokkink, L. G. J. Electrical double layers on thiol-modified polycrystalline gold electrodes. J. Electroanal. Chem. 1994, 367, 49-57.
17. Sondag-Huethorst, J. A. M.; Fokkink, L. G. J. Potential-dependent wetting of electroactive ferrocene-terminated alkanethiolate monolayers on gold. Langmuir 1994, 10, 4380-4387.
18. Abbott, N. L.; Whitesides, G. M. Potential-dependent wetting of aqueous solutions on self-assembled monolayers formed from 15-(ferrocenylcarbonyl)pentadecanethiol on gold. Langmuir 1994, 10, 1493-1497.
19. Gorman, C. B.; Biebuyck, H. A.; Whitesides, G. M. Control of the shape of liquid lenses on a modified gold surface using an applied electrical potential across a self-assembled monolayer. Langmuir 1995, 11, 2242-2246.
20. Landau, L. D.; Lipfshitz, E. M. Electrodynamics of Continuous Media; Pergamon Press: Sydney, 1989; Chapter 2.
21. Russel, W. B.; Saville, D. A.; Schowalter, W. R. Colloidal Dispersions; Cambridge University Press: Cambridge, 1989; Chapter 4.
22. Gradshteyn, I. S.; Ryzhik, I. M. Table of Integrals, Series, and Products; Academic Press: London, 1965; p 289.