Optimization of photorefractive polymers doped with styrene-based chromophores

C. Fuentes-Hernandez, J. A. Herlocker, J. F. Wang, Y. Zhang, S. R. Marder, N. Peyghambarian, B. Kippelen

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


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 languageEnglish (US)
Pages (from-to)63-68
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2001
EventOrganic Photonic Materials and Devices III - San Jose, CA, United States
Duration: Jan 24 2001Jan 25 2001


  • 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


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