Accession Number:

ADA265780

Title:

Photoconductivity and Photovoltage Generation in Novel Photocrosslinkable Nonlinear Optical Polymers

Descriptive Note:

Technical rept. 1 Jun 92-31 May 93,

Corporate Author:

MASSACHUSETTS UNIV LOWELL DEPT OF CHEMISTRY

Report Date:

1993-05-31

Pagination or Media Count:

5.0

Abstract:

Photoconductivity in photocrosslinkable second order nonlinear optical NLO polymeric materials and photovoltage generation in a poled guest- host polymer are reported. These NLO polymers have been functionalized with crosslinkable cinnamoyl groups and show relatively stable second order optical nonlinearities at room temperature when poled and crosslinked. Without introducing any photosensitizer or charge carrier transport agents, photoconductivity was obtained in these polymer systems. Optical excitation of the NLO chromophores lead to photocarrier generation and it is conjectured that these NLO chromophores also play a role in the carrier transport. In addition to photoconductivity, photovoltage generation was observed in the dye doped polymer upon poling. This poled polymer also exhibits a polarization dependent photovoltage when illuminated by light in the absorption region of the NLO chromophore.... Photocrosslinkable nonlinear optical polymer, Pphotovoltage generation, Guest host.

Subject Categories:

  • Radiation and Nuclear Chemistry
  • Polymer Chemistry
  • Atomic and Molecular Physics and Spectroscopy
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE