Abstract
We present a study on the effects of the dark conductivity on the photorefractive performance of polymers doped with styrene-based chromophores. We find that reducing dark conductivity in such composites increases diffraction efficiency and at the same time decreases the response time. We use a polymer composite based on a polyvinylcarbazole matrix doped with 4-Homopiperidinobenzylidenemalononitrile (7-DCST), sensitized with C60, and plasticized with N-ethylcarbazole (ECZ) and butyl benzyl phthalate (BBP). The reduction of the dark conductivity is achieved by coating one of the electrodes with a SiO blocking layer.
Original language | English (US) |
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Pages (from-to) | 63-68 |
Number of pages | 6 |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 4279 |
DOIs | |
State | Published - 2001 |
Event | Organic Photonic Materials and Devices III - San Jose, CA, United States Duration: Jan 24 2001 → Jan 25 2001 |
Keywords
- Dark conductivity
- Photorefractive
- Polymers
- Response-time
- Styrene-based chromophores
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering