Abstract
The rubbed polyimide (PI) and PI LB films were fabricated and treated to align the nematic liquid crystal (LC) 5CB. The rubbed polyimide (PI) films aligned LC cell shows a higher LC pretilt angle than the cell aligned by PI LB films. Atomic force microscope (AFM) observations indicate that the rubbed PI films have a needle-like structure, while PI LB films have a groovy structure. We think that the needle-like structure plays a major role in producing the higher LC pretilt angle.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 51-62 |
| Number of pages | 12 |
| Journal | Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals |
| Volume | 325 |
| DOIs | |
| State | Published - 1998 |
Keywords
- Alignment
- Atomic force microscope
- Liquid crystal
- Polyimide
ASJC Scopus subject areas
- Condensed Matter Physics
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