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Journal Article
Characterization of Electrophoretic Particles for a Reflective Display Device
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- Authors
- Ji Eun Jung, Chul Am Kim, Seung-Youl Kang, Gi Heon Kim, Ji Young Oh, Kyung Soo Suh
- Issue Date
- 2008-12
- Citation
- Molecular Crystals and Liquid Crystals, v.492, pp.83-89
- ISSN
- 1542-1406
- Publisher
- Taylor & Francis
- Language
- English
- Type
- Journal Article
- Abstract
- Titanium dioxide (TiO2) nanoparticles were encapsulated with polystyrene (PS)-based copolymeric materials for an electrophoretic display application. This coating process was performed in order to improve the dispersion stability of electrophoretic pigment particles in a dielectric medium and to reduce the density mismatch between TiO2 and the dielectric medium. The characteristics of polymer-coated TiO2 nanoparticles of the density, chemical structure, particle size, shape, and morphology, were examined respectively by FT-IR, thermogravimetric analysis, particle size analysis, and SEM. Additionally, the electrophoretic mobility of the fabricated nanoparticles with a charge control agent was determined by measurements of the zeta potential.
- KSP Keywords
- Charge Control, Coating process, Dielectric medium, Display device, Fourier Transform Infrared Spectroscopy(FTIR), Particle size analysis, Pigment particles, Thermogravimetric analysis(TG), TiO2 nanoparticles, chemical structure, dispersion stability