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Träfflista för sökning "WFRF:(Katz A) srt2:(1995-1999)"

Sökning: WFRF:(Katz A) > (1995-1999)

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  • Dodabalapur, A, et al. (författare)
  • Resonators and materials for organic lasers based on energy transfer
  • 1998
  • Ingår i: IEEE Journal of Selected Topics in Quantum Electronics. - : Institute of Electrical and Electronics Engineers (IEEE). - 1077-260X .- 1558-4542. ; 4:1, s. 67-74
  • Tidskriftsartikel (refereegranskat)abstract
    • Optically pumped lasers have been fabricated with organic/polymeric materials capable of charge transport. The active materials employed are doped films with small molecule hosts and dye, oligomer, and conjugated polymer emitters, In these materials, the excited states created in the host are transferred nonradiatively to the guest molecules which are the emitters, This energy transfer results in very low absorption losses at the emission wavelength and relatively low-threshold powers for the onset of stimulated emission. Such gain media have been successfully included in many types of resonators including whispering-gallery mode, photonic bandgap, and distributed Bragg reflector (DBR) based resonators. A number of novel patterning and fabrication procedures have been developed for organic-based lasers.
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  • Ostrick, J. R., et al. (författare)
  • Conductivity-type anisotropy in molecular solids
  • 1997
  • Ingår i: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 81:10, s. 6804-6808
  • Tidskriftsartikel (refereegranskat)abstract
    • Thin polycrystalline films of perylenetetracarboxylic dianyhydride (PTCDA), an organic molecular solid, exhibits substantial anisotropies in its electronic transport properties. Only electrons transport in the directions along molecular planes, while mainly holes transport in the direction normal to molecular planes. A series of measurements on both field effect transistors with PTCDA active layers and light emitting diodes with PTCDA transport layers documents the anisotropy seen in the electronic transport in thin films of PTCDA. (C) 1997 American Institute of Physics.
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